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Finding the Fourth Proportional to 2,452.92, 3,679.56 and 992.04

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Solution

The fourth proportional to 2,452.92, 3,679.56 and 992.04 is: 1,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,452.92 : 3,679.56 = 992.04 : x
  2. Step 2: Convert to fraction form
    2,452.92/3,679.56 = 992.04/x
  3. Step 3: Cross multiply
    2,452.92x = 3,679.56 × 992.04
  4. Step 4: Simplify right side
    2,452.92x = 3,650,270.70
  5. Step 5: Solve for x
    x = 3,650,270.70/2,452.92
  6. Step 6: Final answer
    x = 1,488.13

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1.5x scale

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.