Home / 3,727.61-5,142.44-2,531.13

Finding the Fourth Proportional to 3,727.61, 5,142.44 and 2,531.13

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Solution

The fourth proportional to 3,727.61, 5,142.44 and 2,531.13 is: 3,491.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.61 : 5,142.44 = 2,531.13 : x
  2. Step 2: Convert to fraction form
    3,727.61/5,142.44 = 2,531.13/x
  3. Step 3: Cross multiply
    3,727.61x = 5,142.44 × 2,531.13
  4. Step 4: Simplify right side
    3,727.61x = 13,016,171.50
  5. Step 5: Solve for x
    x = 13,016,171.50/3,727.61
  6. Step 6: Final answer
    x = 3,491.83

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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.