Home / 3,255.20-4,879.20-1,795.40

Finding the Fourth Proportional to 3,255.20, 4,879.20 and 1,795.40

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Solution

The fourth proportional to 3,255.20, 4,879.20 and 1,795.40 is: 2,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.20 : 4,879.20 = 1,795.40 : x
  2. Step 2: Convert to fraction form
    3,255.20/4,879.20 = 1,795.40/x
  3. Step 3: Cross multiply
    3,255.20x = 4,879.20 × 1,795.40
  4. Step 4: Simplify right side
    3,255.20x = 8,760,115.68
  5. Step 5: Solve for x
    x = 8,760,115.68/3,255.20
  6. Step 6: Final answer
    x = 2,691.11

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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.