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Finding the Fourth Proportional to 2,373.52, 3,559.68 and 729.24

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Solution

The fourth proportional to 2,373.52, 3,559.68 and 729.24 is: 1,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.52 : 3,559.68 = 729.24 : x
  2. Step 2: Convert to fraction form
    2,373.52/3,559.68 = 729.24/x
  3. Step 3: Cross multiply
    2,373.52x = 3,559.68 × 729.24
  4. Step 4: Simplify right side
    2,373.52x = 2,595,861.04
  5. Step 5: Solve for x
    x = 2,595,861.04/2,373.52
  6. Step 6: Final answer
    x = 1,093.68

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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.