Home / 3,950.40-5,449.27-2,553.15

Finding the Fourth Proportional to 3,950.40, 5,449.27 and 2,553.15

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Solution

The fourth proportional to 3,950.40, 5,449.27 and 2,553.15 is: 3,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.40 : 5,449.27 = 2,553.15 : x
  2. Step 2: Convert to fraction form
    3,950.40/5,449.27 = 2,553.15/x
  3. Step 3: Cross multiply
    3,950.40x = 5,449.27 × 2,553.15
  4. Step 4: Simplify right side
    3,950.40x = 13,912,803.70
  5. Step 5: Solve for x
    x = 13,912,803.70/3,950.40
  6. Step 6: Final answer
    x = 3,521.87

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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.