Home / 3,732.30-5,149.62-2,159.46

Finding the Fourth Proportional to 3,732.30, 5,149.62 and 2,159.46

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Solution

The fourth proportional to 3,732.30, 5,149.62 and 2,159.46 is: 2,979.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.30 : 5,149.62 = 2,159.46 : x
  2. Step 2: Convert to fraction form
    3,732.30/5,149.62 = 2,159.46/x
  3. Step 3: Cross multiply
    3,732.30x = 5,149.62 × 2,159.46
  4. Step 4: Simplify right side
    3,732.30x = 11,120,398.41
  5. Step 5: Solve for x
    x = 11,120,398.41/3,732.30
  6. Step 6: Final answer
    x = 2,979.50

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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.