Home / 2,550.80-3,516.84-2,195.96

Finding the Fourth Proportional to 2,550.80, 3,516.84 and 2,195.96

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Solution

The fourth proportional to 2,550.80, 3,516.84 and 2,195.96 is: 3,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.80 : 3,516.84 = 2,195.96 : x
  2. Step 2: Convert to fraction form
    2,550.80/3,516.84 = 2,195.96/x
  3. Step 3: Cross multiply
    2,550.80x = 3,516.84 × 2,195.96
  4. Step 4: Simplify right side
    2,550.80x = 7,722,839.97
  5. Step 5: Solve for x
    x = 7,722,839.97/2,550.80
  6. Step 6: Final answer
    x = 3,027.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.