Home / 3,927.59-5,891.38-1,005.90

Finding the Fourth Proportional to 3,927.59, 5,891.38 and 1,005.90

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Solution

The fourth proportional to 3,927.59, 5,891.38 and 1,005.90 is: 1,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.59 : 5,891.38 = 1,005.90 : x
  2. Step 2: Convert to fraction form
    3,927.59/5,891.38 = 1,005.90/x
  3. Step 3: Cross multiply
    3,927.59x = 5,891.38 × 1,005.90
  4. Step 4: Simplify right side
    3,927.59x = 5,926,139.14
  5. Step 5: Solve for x
    x = 5,926,139.14/3,927.59
  6. Step 6: Final answer
    x = 1,508.85

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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.