Home / 2,549.75-3,825.23-1,380.92

Finding the Fourth Proportional to 2,549.75, 3,825.23 and 1,380.92

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Solution

The fourth proportional to 2,549.75, 3,825.23 and 1,380.92 is: 2,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.75 : 3,825.23 = 1,380.92 : x
  2. Step 2: Convert to fraction form
    2,549.75/3,825.23 = 1,380.92/x
  3. Step 3: Cross multiply
    2,549.75x = 3,825.23 × 1,380.92
  4. Step 4: Simplify right side
    2,549.75x = 5,282,310.58
  5. Step 5: Solve for x
    x = 5,282,310.58/2,549.75
  6. Step 6: Final answer
    x = 2,071.70

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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.