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Finding the Fourth Proportional to 2,751.11, 3,790.11 and 2,250.83

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Solution

The fourth proportional to 2,751.11, 3,790.11 and 2,250.83 is: 3,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.11 : 3,790.11 = 2,250.83 : x
  2. Step 2: Convert to fraction form
    2,751.11/3,790.11 = 2,250.83/x
  3. Step 3: Cross multiply
    2,751.11x = 3,790.11 × 2,250.83
  4. Step 4: Simplify right side
    2,751.11x = 8,530,911.21
  5. Step 5: Solve for x
    x = 8,530,911.21/2,751.11
  6. Step 6: Final answer
    x = 3,100.90

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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.