Home / 3,591.80-5,382.49-2,480.07

Finding the Fourth Proportional to 3,591.80, 5,382.49 and 2,480.07

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Solution

The fourth proportional to 3,591.80, 5,382.49 and 2,480.07 is: 3,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.80 : 5,382.49 = 2,480.07 : x
  2. Step 2: Convert to fraction form
    3,591.80/5,382.49 = 2,480.07/x
  3. Step 3: Cross multiply
    3,591.80x = 5,382.49 × 2,480.07
  4. Step 4: Simplify right side
    3,591.80x = 13,348,951.97
  5. Step 5: Solve for x
    x = 13,348,951.97/3,591.80
  6. Step 6: Final answer
    x = 3,716.51

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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.