Home / 3,927.54-5,891.40-1,587.11

Finding the Fourth Proportional to 3,927.54, 5,891.40 and 1,587.11

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Solution

The fourth proportional to 3,927.54, 5,891.40 and 1,587.11 is: 2,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.54 : 5,891.40 = 1,587.11 : x
  2. Step 2: Convert to fraction form
    3,927.54/5,891.40 = 1,587.11/x
  3. Step 3: Cross multiply
    3,927.54x = 5,891.40 × 1,587.11
  4. Step 4: Simplify right side
    3,927.54x = 9,350,319.31
  5. Step 5: Solve for x
    x = 9,350,319.31/3,927.54
  6. Step 6: Final answer
    x = 2,380.70

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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.