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Finding the Fourth Proportional to 1,373.59, 2,060.18 and 449.16

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Solution

The fourth proportional to 1,373.59, 2,060.18 and 449.16 is: 673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.59 : 2,060.18 = 449.16 : x
  2. Step 2: Convert to fraction form
    1,373.59/2,060.18 = 449.16/x
  3. Step 3: Cross multiply
    1,373.59x = 2,060.18 × 449.16
  4. Step 4: Simplify right side
    1,373.59x = 925,337.90
  5. Step 5: Solve for x
    x = 925,337.90/1,373.59
  6. Step 6: Final answer
    x = 673.66

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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.