Home / 3,008.36-4,151.55-1,682.12

Finding the Fourth Proportional to 3,008.36, 4,151.55 and 1,682.12

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Solution

The fourth proportional to 3,008.36, 4,151.55 and 1,682.12 is: 2,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.36 : 4,151.55 = 1,682.12 : x
  2. Step 2: Convert to fraction form
    3,008.36/4,151.55 = 1,682.12/x
  3. Step 3: Cross multiply
    3,008.36x = 4,151.55 × 1,682.12
  4. Step 4: Simplify right side
    3,008.36x = 6,983,405.29
  5. Step 5: Solve for x
    x = 6,983,405.29/3,008.36
  6. Step 6: Final answer
    x = 2,321.33

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,009.36, 4,152.93 and 1,683.12
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.