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Finding the Fourth Proportional to 2,658.52, 3,668.40 and 1,479.44

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Solution

The fourth proportional to 2,658.52, 3,668.40 and 1,479.44 is: 2,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.52 : 3,668.40 = 1,479.44 : x
  2. Step 2: Convert to fraction form
    2,658.52/3,668.40 = 1,479.44/x
  3. Step 3: Cross multiply
    2,658.52x = 3,668.40 × 1,479.44
  4. Step 4: Simplify right side
    2,658.52x = 5,427,177.70
  5. Step 5: Solve for x
    x = 5,427,177.70/2,658.52
  6. Step 6: Final answer
    x = 2,041.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.