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Finding the Fourth Proportional to 2,446.77, 3,375.15 and 1,548.87

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Solution

The fourth proportional to 2,446.77, 3,375.15 and 1,548.87 is: 2,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.77 : 3,375.15 = 1,548.87 : x
  2. Step 2: Convert to fraction form
    2,446.77/3,375.15 = 1,548.87/x
  3. Step 3: Cross multiply
    2,446.77x = 3,375.15 × 1,548.87
  4. Step 4: Simplify right side
    2,446.77x = 5,227,668.58
  5. Step 5: Solve for x
    x = 5,227,668.58/2,446.77
  6. Step 6: Final answer
    x = 2,136.56

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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.