Home / 3,229.32-4,840.26-1,379.28

Finding the Fourth Proportional to 3,229.32, 4,840.26 and 1,379.28

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Solution

The fourth proportional to 3,229.32, 4,840.26 and 1,379.28 is: 2,067.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.32 : 4,840.26 = 1,379.28 : x
  2. Step 2: Convert to fraction form
    3,229.32/4,840.26 = 1,379.28/x
  3. Step 3: Cross multiply
    3,229.32x = 4,840.26 × 1,379.28
  4. Step 4: Simplify right side
    3,229.32x = 6,676,073.81
  5. Step 5: Solve for x
    x = 6,676,073.81/3,229.32
  6. Step 6: Final answer
    x = 2,067.33

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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.