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Finding the Fourth Proportional to 2,672.44, 3,687.96 and 1,493.54

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Solution

The fourth proportional to 2,672.44, 3,687.96 and 1,493.54 is: 2,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.44 : 3,687.96 = 1,493.54 : x
  2. Step 2: Convert to fraction form
    2,672.44/3,687.96 = 1,493.54/x
  3. Step 3: Cross multiply
    2,672.44x = 3,687.96 × 1,493.54
  4. Step 4: Simplify right side
    2,672.44x = 5,508,116.77
  5. Step 5: Solve for x
    x = 5,508,116.77/2,672.44
  6. Step 6: Final answer
    x = 2,061.08

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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.