Home / 3,591.18-5,387.49-1,282.38

Finding the Fourth Proportional to 3,591.18, 5,387.49 and 1,282.38

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Solution

The fourth proportional to 3,591.18, 5,387.49 and 1,282.38 is: 1,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.18 : 5,387.49 = 1,282.38 : x
  2. Step 2: Convert to fraction form
    3,591.18/5,387.49 = 1,282.38/x
  3. Step 3: Cross multiply
    3,591.18x = 5,387.49 × 1,282.38
  4. Step 4: Simplify right side
    3,591.18x = 6,908,809.43
  5. Step 5: Solve for x
    x = 6,908,809.43/3,591.18
  6. Step 6: Final answer
    x = 1,923.83

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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.