Home / 2,489.38-3,732.87-1,449.71

Finding the Fourth Proportional to 2,489.38, 3,732.87 and 1,449.71

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Solution

The fourth proportional to 2,489.38, 3,732.87 and 1,449.71 is: 2,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.38 : 3,732.87 = 1,449.71 : x
  2. Step 2: Convert to fraction form
    2,489.38/3,732.87 = 1,449.71/x
  3. Step 3: Cross multiply
    2,489.38x = 3,732.87 × 1,449.71
  4. Step 4: Simplify right side
    2,489.38x = 5,411,560.30
  5. Step 5: Solve for x
    x = 5,411,560.30/2,489.38
  6. Step 6: Final answer
    x = 2,173.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.