Home / 3,488.82-5,229.59-1,540.77

Finding the Fourth Proportional to 3,488.82, 5,229.59 and 1,540.77

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Solution

The fourth proportional to 3,488.82, 5,229.59 and 1,540.77 is: 2,309.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.82 : 5,229.59 = 1,540.77 : x
  2. Step 2: Convert to fraction form
    3,488.82/5,229.59 = 1,540.77/x
  3. Step 3: Cross multiply
    3,488.82x = 5,229.59 × 1,540.77
  4. Step 4: Simplify right side
    3,488.82x = 8,057,587.68
  5. Step 5: Solve for x
    x = 8,057,587.68/3,488.82
  6. Step 6: Final answer
    x = 2,309.55

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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.