Home / 3,909.47-5,834.84-3,380.03

Finding the Fourth Proportional to 3,909.47, 5,834.84 and 3,380.03

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Solution

The fourth proportional to 3,909.47, 5,834.84 and 3,380.03 is: 5,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.47 : 5,834.84 = 3,380.03 : x
  2. Step 2: Convert to fraction form
    3,909.47/5,834.84 = 3,380.03/x
  3. Step 3: Cross multiply
    3,909.47x = 5,834.84 × 3,380.03
  4. Step 4: Simplify right side
    3,909.47x = 19,721,910.05
  5. Step 5: Solve for x
    x = 19,721,910.05/3,909.47
  6. Step 6: Final answer
    x = 5,044.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.