Home / 3,540.30-5,311.26-1,808.52

Finding the Fourth Proportional to 3,540.30, 5,311.26 and 1,808.52

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Solution

The fourth proportional to 3,540.30, 5,311.26 and 1,808.52 is: 2,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.30 : 5,311.26 = 1,808.52 : x
  2. Step 2: Convert to fraction form
    3,540.30/5,311.26 = 1,808.52/x
  3. Step 3: Cross multiply
    3,540.30x = 5,311.26 × 1,808.52
  4. Step 4: Simplify right side
    3,540.30x = 9,605,519.94
  5. Step 5: Solve for x
    x = 9,605,519.94/3,540.30
  6. Step 6: Final answer
    x = 2,713.19

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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.