Home / 3,229.11-4,843.31-889.29

Finding the Fourth Proportional to 3,229.11, 4,843.31 and 889.29

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Solution

The fourth proportional to 3,229.11, 4,843.31 and 889.29 is: 1,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.11 : 4,843.31 = 889.29 : x
  2. Step 2: Convert to fraction form
    3,229.11/4,843.31 = 889.29/x
  3. Step 3: Cross multiply
    3,229.11x = 4,843.31 × 889.29
  4. Step 4: Simplify right side
    3,229.11x = 4,307,102.70
  5. Step 5: Solve for x
    x = 4,307,102.70/3,229.11
  6. Step 6: Final answer
    x = 1,333.84

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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.