Home / 3,678.26-5,517.39-1,486.48

Finding the Fourth Proportional to 3,678.26, 5,517.39 and 1,486.48

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Solution

The fourth proportional to 3,678.26, 5,517.39 and 1,486.48 is: 2,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678.26 : 5,517.39 = 1,486.48 : x
  2. Step 2: Convert to fraction form
    3,678.26/5,517.39 = 1,486.48/x
  3. Step 3: Cross multiply
    3,678.26x = 5,517.39 × 1,486.48
  4. Step 4: Simplify right side
    3,678.26x = 8,201,472.31
  5. Step 5: Solve for x
    x = 8,201,472.31/3,678.26
  6. Step 6: Final answer
    x = 2,229.71

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Similar ratio
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1.5x scale

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.