Home / 3,972.55-5,956.93-1,472.02

Finding the Fourth Proportional to 3,972.55, 5,956.93 and 1,472.02

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Solution

The fourth proportional to 3,972.55, 5,956.93 and 1,472.02 is: 2,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.55 : 5,956.93 = 1,472.02 : x
  2. Step 2: Convert to fraction form
    3,972.55/5,956.93 = 1,472.02/x
  3. Step 3: Cross multiply
    3,972.55x = 5,956.93 × 1,472.02
  4. Step 4: Simplify right side
    3,972.55x = 8,768,720.10
  5. Step 5: Solve for x
    x = 8,768,720.10/3,972.55
  6. Step 6: Final answer
    x = 2,207.33

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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.