Home / 3,229.19-4,843.80-1,379.15

Finding the Fourth Proportional to 3,229.19, 4,843.80 and 1,379.15

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Solution

The fourth proportional to 3,229.19, 4,843.80 and 1,379.15 is: 2,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.19 : 4,843.80 = 1,379.15 : x
  2. Step 2: Convert to fraction form
    3,229.19/4,843.80 = 1,379.15/x
  3. Step 3: Cross multiply
    3,229.19x = 4,843.80 × 1,379.15
  4. Step 4: Simplify right side
    3,229.19x = 6,680,302.55
  5. Step 5: Solve for x
    x = 6,680,302.55/3,229.19
  6. Step 6: Final answer
    x = 2,068.73

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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.