Home / 3,422.89-5,132.90-1,449.43

Finding the Fourth Proportional to 3,422.89, 5,132.90 and 1,449.43

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Solution

The fourth proportional to 3,422.89, 5,132.90 and 1,449.43 is: 2,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.89 : 5,132.90 = 1,449.43 : x
  2. Step 2: Convert to fraction form
    3,422.89/5,132.90 = 1,449.43/x
  3. Step 3: Cross multiply
    3,422.89x = 5,132.90 × 1,449.43
  4. Step 4: Simplify right side
    3,422.89x = 7,439,770.04
  5. Step 5: Solve for x
    x = 7,439,770.04/3,422.89
  6. Step 6: Final answer
    x = 2,173.53

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1.5x scale

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.