Home / 3,949.97-5,450.54-2,271.90

Finding the Fourth Proportional to 3,949.97, 5,450.54 and 2,271.90

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Solution

The fourth proportional to 3,949.97, 5,450.54 and 2,271.90 is: 3,134.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.97 : 5,450.54 = 2,271.90 : x
  2. Step 2: Convert to fraction form
    3,949.97/5,450.54 = 2,271.90/x
  3. Step 3: Cross multiply
    3,949.97x = 5,450.54 × 2,271.90
  4. Step 4: Simplify right side
    3,949.97x = 12,383,073.03
  5. Step 5: Solve for x
    x = 12,383,073.03/3,949.97
  6. Step 6: Final answer
    x = 3,134.98

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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.