Home / 3,949.02-5,449.20-2,270.52

Finding the Fourth Proportional to 3,949.02, 5,449.20 and 2,270.52

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Solution

The fourth proportional to 3,949.02, 5,449.20 and 2,270.52 is: 3,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.02 : 5,449.20 = 2,270.52 : x
  2. Step 2: Convert to fraction form
    3,949.02/5,449.20 = 2,270.52/x
  3. Step 3: Cross multiply
    3,949.02x = 5,449.20 × 2,270.52
  4. Step 4: Simplify right side
    3,949.02x = 12,372,517.58
  5. Step 5: Solve for x
    x = 12,372,517.58/3,949.02
  6. Step 6: Final answer
    x = 3,133.06

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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.