Home / 4,272.19-5,886.88-3,151.36

Finding the Fourth Proportional to 4,272.19, 5,886.88 and 3,151.36

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Solution

The fourth proportional to 4,272.19, 5,886.88 and 3,151.36 is: 4,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.19 : 5,886.88 = 3,151.36 : x
  2. Step 2: Convert to fraction form
    4,272.19/5,886.88 = 3,151.36/x
  3. Step 3: Cross multiply
    4,272.19x = 5,886.88 × 3,151.36
  4. Step 4: Simplify right side
    4,272.19x = 18,551,678.16
  5. Step 5: Solve for x
    x = 18,551,678.16/4,272.19
  6. Step 6: Final answer
    x = 4,342.43

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Find fourth proportional to 2,136.10, 2,943.44 and 1,575.68
Half scale
Find fourth proportional to 8,544.38, 11,773.76 and 6,302.72
Double scale
Find fourth proportional to 4,273.19, 5,888.26 and 3,152.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.