Home / 3,942.92-5,909.26-1,600.19

Finding the Fourth Proportional to 3,942.92, 5,909.26 and 1,600.19

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Solution

The fourth proportional to 3,942.92, 5,909.26 and 1,600.19 is: 2,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.92 : 5,909.26 = 1,600.19 : x
  2. Step 2: Convert to fraction form
    3,942.92/5,909.26 = 1,600.19/x
  3. Step 3: Cross multiply
    3,942.92x = 5,909.26 × 1,600.19
  4. Step 4: Simplify right side
    3,942.92x = 9,455,930.76
  5. Step 5: Solve for x
    x = 9,455,930.76/3,942.92
  6. Step 6: Final answer
    x = 2,398.21

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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.