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Finding the Fourth Proportional to 2,302.72, 3,453.04 and 658.88

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Solution

The fourth proportional to 2,302.72, 3,453.04 and 658.88 is: 988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.72 : 3,453.04 = 658.88 : x
  2. Step 2: Convert to fraction form
    2,302.72/3,453.04 = 658.88/x
  3. Step 3: Cross multiply
    2,302.72x = 3,453.04 × 658.88
  4. Step 4: Simplify right side
    2,302.72x = 2,275,139.00
  5. Step 5: Solve for x
    x = 2,275,139.00/2,302.72
  6. Step 6: Final answer
    x = 988.02

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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.