Home / 3,125.82-4,304.88-3,057.78

Finding the Fourth Proportional to 3,125.82, 4,304.88 and 3,057.78

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Solution

The fourth proportional to 3,125.82, 4,304.88 and 3,057.78 is: 4,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.82 : 4,304.88 = 3,057.78 : x
  2. Step 2: Convert to fraction form
    3,125.82/4,304.88 = 3,057.78/x
  3. Step 3: Cross multiply
    3,125.82x = 4,304.88 × 3,057.78
  4. Step 4: Simplify right side
    3,125.82x = 13,163,375.97
  5. Step 5: Solve for x
    x = 13,163,375.97/3,125.82
  6. Step 6: Final answer
    x = 4,211.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.