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Finding the Fourth Proportional to 1,658.68, 2,488.14 and 562.60

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Solution

The fourth proportional to 1,658.68, 2,488.14 and 562.60 is: 843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.68 : 2,488.14 = 562.60 : x
  2. Step 2: Convert to fraction form
    1,658.68/2,488.14 = 562.60/x
  3. Step 3: Cross multiply
    1,658.68x = 2,488.14 × 562.60
  4. Step 4: Simplify right side
    1,658.68x = 1,399,827.56
  5. Step 5: Solve for x
    x = 1,399,827.56/1,658.68
  6. Step 6: Final answer
    x = 843.94

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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.