Home / 2,757.22-4,111.10-2,708

Finding the Fourth Proportional to 2,757.22, 4,111.10 and 2,708

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Solution

The fourth proportional to 2,757.22, 4,111.10 and 2,708 is: 4,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.22 : 4,111.10 = 2,708 : x
  2. Step 2: Convert to fraction form
    2,757.22/4,111.10 = 2,708/x
  3. Step 3: Cross multiply
    2,757.22x = 4,111.10 × 2,708
  4. Step 4: Simplify right side
    2,757.22x = 11,132,858.80
  5. Step 5: Solve for x
    x = 11,132,858.80/2,757.22
  6. Step 6: Final answer
    x = 4,037.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.