Home / 2,761.26-4,138.52-1,116.96

Finding the Fourth Proportional to 2,761.26, 4,138.52 and 1,116.96

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Solution

The fourth proportional to 2,761.26, 4,138.52 and 1,116.96 is: 1,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.26 : 4,138.52 = 1,116.96 : x
  2. Step 2: Convert to fraction form
    2,761.26/4,138.52 = 1,116.96/x
  3. Step 3: Cross multiply
    2,761.26x = 4,138.52 × 1,116.96
  4. Step 4: Simplify right side
    2,761.26x = 4,622,561.30
  5. Step 5: Solve for x
    x = 4,622,561.30/2,761.26
  6. Step 6: Final answer
    x = 1,674.08

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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.