Home / 3,839.01-5,757.92-1,205.90

Finding the Fourth Proportional to 3,839.01, 5,757.92 and 1,205.90

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Solution

The fourth proportional to 3,839.01, 5,757.92 and 1,205.90 is: 1,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.01 : 5,757.92 = 1,205.90 : x
  2. Step 2: Convert to fraction form
    3,839.01/5,757.92 = 1,205.90/x
  3. Step 3: Cross multiply
    3,839.01x = 5,757.92 × 1,205.90
  4. Step 4: Simplify right side
    3,839.01x = 6,943,475.73
  5. Step 5: Solve for x
    x = 6,943,475.73/3,839.01
  6. Step 6: Final answer
    x = 1,808.66

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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.