Home / 3,229.56-4,837.86-1,930.32

Finding the Fourth Proportional to 3,229.56, 4,837.86 and 1,930.32

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Solution

The fourth proportional to 3,229.56, 4,837.86 and 1,930.32 is: 2,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.56 : 4,837.86 = 1,930.32 : x
  2. Step 2: Convert to fraction form
    3,229.56/4,837.86 = 1,930.32/x
  3. Step 3: Cross multiply
    3,229.56x = 4,837.86 × 1,930.32
  4. Step 4: Simplify right side
    3,229.56x = 9,338,617.92
  5. Step 5: Solve for x
    x = 9,338,617.92/3,229.56
  6. Step 6: Final answer
    x = 2,891.61

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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.