Home / 3,540.80-5,309.45-2,060.53

Finding the Fourth Proportional to 3,540.80, 5,309.45 and 2,060.53

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Solution

The fourth proportional to 3,540.80, 5,309.45 and 2,060.53 is: 3,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.80 : 5,309.45 = 2,060.53 : x
  2. Step 2: Convert to fraction form
    3,540.80/5,309.45 = 2,060.53/x
  3. Step 3: Cross multiply
    3,540.80x = 5,309.45 × 2,060.53
  4. Step 4: Simplify right side
    3,540.80x = 10,940,281.01
  5. Step 5: Solve for x
    x = 10,940,281.01/3,540.80
  6. Step 6: Final answer
    x = 3,089.78

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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.