Home / 3,255.46-4,891.20-2,085.96

Finding the Fourth Proportional to 3,255.46, 4,891.20 and 2,085.96

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Solution

The fourth proportional to 3,255.46, 4,891.20 and 2,085.96 is: 3,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.46 : 4,891.20 = 2,085.96 : x
  2. Step 2: Convert to fraction form
    3,255.46/4,891.20 = 2,085.96/x
  3. Step 3: Cross multiply
    3,255.46x = 4,891.20 × 2,085.96
  4. Step 4: Simplify right side
    3,255.46x = 10,202,847.55
  5. Step 5: Solve for x
    x = 10,202,847.55/3,255.46
  6. Step 6: Final answer
    x = 3,134.07

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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.