Home / 3,229.80-4,841.10-1,669.20

Finding the Fourth Proportional to 3,229.80, 4,841.10 and 1,669.20

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Solution

The fourth proportional to 3,229.80, 4,841.10 and 1,669.20 is: 2,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.80 : 4,841.10 = 1,669.20 : x
  2. Step 2: Convert to fraction form
    3,229.80/4,841.10 = 1,669.20/x
  3. Step 3: Cross multiply
    3,229.80x = 4,841.10 × 1,669.20
  4. Step 4: Simplify right side
    3,229.80x = 8,080,764.12
  5. Step 5: Solve for x
    x = 8,080,764.12/3,229.80
  6. Step 6: Final answer
    x = 2,501.94

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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.