Home / 3,927.38-5,893.76-1,618.88

Finding the Fourth Proportional to 3,927.38, 5,893.76 and 1,618.88

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Solution

The fourth proportional to 3,927.38, 5,893.76 and 1,618.88 is: 2,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.38 : 5,893.76 = 1,618.88 : x
  2. Step 2: Convert to fraction form
    3,927.38/5,893.76 = 1,618.88/x
  3. Step 3: Cross multiply
    3,927.38x = 5,893.76 × 1,618.88
  4. Step 4: Simplify right side
    3,927.38x = 9,541,264.77
  5. Step 5: Solve for x
    x = 9,541,264.77/3,927.38
  6. Step 6: Final answer
    x = 2,429.43

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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.