Home / 3,747.52-5,610.87-2,432.78

Finding the Fourth Proportional to 3,747.52, 5,610.87 and 2,432.78

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Solution

The fourth proportional to 3,747.52, 5,610.87 and 2,432.78 is: 3,642.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.52 : 5,610.87 = 2,432.78 : x
  2. Step 2: Convert to fraction form
    3,747.52/5,610.87 = 2,432.78/x
  3. Step 3: Cross multiply
    3,747.52x = 5,610.87 × 2,432.78
  4. Step 4: Simplify right side
    3,747.52x = 13,650,036.87
  5. Step 5: Solve for x
    x = 13,650,036.87/3,747.52
  6. Step 6: Final answer
    x = 3,642.42

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1.5x scale

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.