Home / 3,677.38-5,515.80-1,080.52

Finding the Fourth Proportional to 3,677.38, 5,515.80 and 1,080.52

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Solution

The fourth proportional to 3,677.38, 5,515.80 and 1,080.52 is: 1,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.38 : 5,515.80 = 1,080.52 : x
  2. Step 2: Convert to fraction form
    3,677.38/5,515.80 = 1,080.52/x
  3. Step 3: Cross multiply
    3,677.38x = 5,515.80 × 1,080.52
  4. Step 4: Simplify right side
    3,677.38x = 5,959,932.22
  5. Step 5: Solve for x
    x = 5,959,932.22/3,677.38
  6. Step 6: Final answer
    x = 1,620.70

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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.