Home / 3,972.42-5,957.76-1,631.85

Finding the Fourth Proportional to 3,972.42, 5,957.76 and 1,631.85

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Solution

The fourth proportional to 3,972.42, 5,957.76 and 1,631.85 is: 2,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.42 : 5,957.76 = 1,631.85 : x
  2. Step 2: Convert to fraction form
    3,972.42/5,957.76 = 1,631.85/x
  3. Step 3: Cross multiply
    3,972.42x = 5,957.76 × 1,631.85
  4. Step 4: Simplify right side
    3,972.42x = 9,722,170.66
  5. Step 5: Solve for x
    x = 9,722,170.66/3,972.42
  6. Step 6: Final answer
    x = 2,447.42

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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.