Home / 3,926.70-5,890.17-1,587.82

Finding the Fourth Proportional to 3,926.70, 5,890.17 and 1,587.82

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Solution

The fourth proportional to 3,926.70, 5,890.17 and 1,587.82 is: 2,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.70 : 5,890.17 = 1,587.82 : x
  2. Step 2: Convert to fraction form
    3,926.70/5,890.17 = 1,587.82/x
  3. Step 3: Cross multiply
    3,926.70x = 5,890.17 × 1,587.82
  4. Step 4: Simplify right side
    3,926.70x = 9,352,529.73
  5. Step 5: Solve for x
    x = 9,352,529.73/3,926.70
  6. Step 6: Final answer
    x = 2,381.78

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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.