Home / 2,761.06-4,142.07-1,116.70

Finding the Fourth Proportional to 2,761.06, 4,142.07 and 1,116.70

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Solution

The fourth proportional to 2,761.06, 4,142.07 and 1,116.70 is: 1,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.06 : 4,142.07 = 1,116.70 : x
  2. Step 2: Convert to fraction form
    2,761.06/4,142.07 = 1,116.70/x
  3. Step 3: Cross multiply
    2,761.06x = 4,142.07 × 1,116.70
  4. Step 4: Simplify right side
    2,761.06x = 4,625,449.57
  5. Step 5: Solve for x
    x = 4,625,449.57/2,761.06
  6. Step 6: Final answer
    x = 1,675.24

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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.