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Finding the Fourth Proportional to 2,658.75, 3,960.04 and 2,519.97

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Solution

The fourth proportional to 2,658.75, 3,960.04 and 2,519.97 is: 3,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.75 : 3,960.04 = 2,519.97 : x
  2. Step 2: Convert to fraction form
    2,658.75/3,960.04 = 2,519.97/x
  3. Step 3: Cross multiply
    2,658.75x = 3,960.04 × 2,519.97
  4. Step 4: Simplify right side
    2,658.75x = 9,979,182.00
  5. Step 5: Solve for x
    x = 9,979,182.00/2,658.75
  6. Step 6: Final answer
    x = 3,753.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.