Home / 3,273.13-4,910.43-1,081.78

Finding the Fourth Proportional to 3,273.13, 4,910.43 and 1,081.78

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Solution

The fourth proportional to 3,273.13, 4,910.43 and 1,081.78 is: 1,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.13 : 4,910.43 = 1,081.78 : x
  2. Step 2: Convert to fraction form
    3,273.13/4,910.43 = 1,081.78/x
  3. Step 3: Cross multiply
    3,273.13x = 4,910.43 × 1,081.78
  4. Step 4: Simplify right side
    3,273.13x = 5,312,004.97
  5. Step 5: Solve for x
    x = 5,312,004.97/3,273.13
  6. Step 6: Final answer
    x = 1,622.91

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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.