Home / 3,158.27-4,747.79-2,929.92

Finding the Fourth Proportional to 3,158.27, 4,747.79 and 2,929.92

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Solution

The fourth proportional to 3,158.27, 4,747.79 and 2,929.92 is: 4,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.27 : 4,747.79 = 2,929.92 : x
  2. Step 2: Convert to fraction form
    3,158.27/4,747.79 = 2,929.92/x
  3. Step 3: Cross multiply
    3,158.27x = 4,747.79 × 2,929.92
  4. Step 4: Simplify right side
    3,158.27x = 13,910,652.86
  5. Step 5: Solve for x
    x = 13,910,652.86/3,158.27
  6. Step 6: Final answer
    x = 4,404.51

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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.