Home / 3,449.20-5,170.89-1,499.95

Finding the Fourth Proportional to 3,449.20, 5,170.89 and 1,499.95

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Solution

The fourth proportional to 3,449.20, 5,170.89 and 1,499.95 is: 2,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.20 : 5,170.89 = 1,499.95 : x
  2. Step 2: Convert to fraction form
    3,449.20/5,170.89 = 1,499.95/x
  3. Step 3: Cross multiply
    3,449.20x = 5,170.89 × 1,499.95
  4. Step 4: Simplify right side
    3,449.20x = 7,756,076.46
  5. Step 5: Solve for x
    x = 7,756,076.46/3,449.20
  6. Step 6: Final answer
    x = 2,248.66

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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.