Home / 3,540.24-5,309.04-1,167.78

Finding the Fourth Proportional to 3,540.24, 5,309.04 and 1,167.78

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Solution

The fourth proportional to 3,540.24, 5,309.04 and 1,167.78 is: 1,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.24 : 5,309.04 = 1,167.78 : x
  2. Step 2: Convert to fraction form
    3,540.24/5,309.04 = 1,167.78/x
  3. Step 3: Cross multiply
    3,540.24x = 5,309.04 × 1,167.78
  4. Step 4: Simplify right side
    3,540.24x = 6,199,790.73
  5. Step 5: Solve for x
    x = 6,199,790.73/3,540.24
  6. Step 6: Final answer
    x = 1,751.23

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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.