Home / 3,972.42-5,957.28-1,374.75

Finding the Fourth Proportional to 3,972.42, 5,957.28 and 1,374.75

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Solution

The fourth proportional to 3,972.42, 5,957.28 and 1,374.75 is: 2,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.42 : 5,957.28 = 1,374.75 : x
  2. Step 2: Convert to fraction form
    3,972.42/5,957.28 = 1,374.75/x
  3. Step 3: Cross multiply
    3,972.42x = 5,957.28 × 1,374.75
  4. Step 4: Simplify right side
    3,972.42x = 8,189,770.68
  5. Step 5: Solve for x
    x = 8,189,770.68/3,972.42
  6. Step 6: Final answer
    x = 2,061.66

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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.