Home / 3,950.76-5,452.31-2,272.58

Finding the Fourth Proportional to 3,950.76, 5,452.31 and 2,272.58

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Solution

The fourth proportional to 3,950.76, 5,452.31 and 2,272.58 is: 3,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.76 : 5,452.31 = 2,272.58 : x
  2. Step 2: Convert to fraction form
    3,950.76/5,452.31 = 2,272.58/x
  3. Step 3: Cross multiply
    3,950.76x = 5,452.31 × 2,272.58
  4. Step 4: Simplify right side
    3,950.76x = 12,390,810.66
  5. Step 5: Solve for x
    x = 12,390,810.66/3,950.76
  6. Step 6: Final answer
    x = 3,136.31

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Half scale
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Double scale
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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.