Home / 3,772.91-5,658.60-1,432.12

Finding the Fourth Proportional to 3,772.91, 5,658.60 and 1,432.12

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Solution

The fourth proportional to 3,772.91, 5,658.60 and 1,432.12 is: 2,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.91 : 5,658.60 = 1,432.12 : x
  2. Step 2: Convert to fraction form
    3,772.91/5,658.60 = 1,432.12/x
  3. Step 3: Cross multiply
    3,772.91x = 5,658.60 × 1,432.12
  4. Step 4: Simplify right side
    3,772.91x = 8,103,758.78
  5. Step 5: Solve for x
    x = 8,103,758.78/3,772.91
  6. Step 6: Final answer
    x = 2,147.88

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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.