Home / 3,959.14-5,463.84-2,387.48

Finding the Fourth Proportional to 3,959.14, 5,463.84 and 2,387.48

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Solution

The fourth proportional to 3,959.14, 5,463.84 and 2,387.48 is: 3,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.14 : 5,463.84 = 2,387.48 : x
  2. Step 2: Convert to fraction form
    3,959.14/5,463.84 = 2,387.48/x
  3. Step 3: Cross multiply
    3,959.14x = 5,463.84 × 2,387.48
  4. Step 4: Simplify right side
    3,959.14x = 13,044,808.72
  5. Step 5: Solve for x
    x = 13,044,808.72/3,959.14
  6. Step 6: Final answer
    x = 3,294.86

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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.