Home / 3,169.92-4,374.24-1,772.88

Finding the Fourth Proportional to 3,169.92, 4,374.24 and 1,772.88

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Solution

The fourth proportional to 3,169.92, 4,374.24 and 1,772.88 is: 2,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.92 : 4,374.24 = 1,772.88 : x
  2. Step 2: Convert to fraction form
    3,169.92/4,374.24 = 1,772.88/x
  3. Step 3: Cross multiply
    3,169.92x = 4,374.24 × 1,772.88
  4. Step 4: Simplify right side
    3,169.92x = 7,755,002.61
  5. Step 5: Solve for x
    x = 7,755,002.61/3,169.92
  6. Step 6: Final answer
    x = 2,446.43

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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.