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Finding the Fourth Proportional to 2,002.52, 3,003.84 and 615.80

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Solution

The fourth proportional to 2,002.52, 3,003.84 and 615.80 is: 923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.52 : 3,003.84 = 615.80 : x
  2. Step 2: Convert to fraction form
    2,002.52/3,003.84 = 615.80/x
  3. Step 3: Cross multiply
    2,002.52x = 3,003.84 × 615.80
  4. Step 4: Simplify right side
    2,002.52x = 1,849,764.67
  5. Step 5: Solve for x
    x = 1,849,764.67/2,002.52
  6. Step 6: Final answer
    x = 923.72

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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.