Home / 2,080.26-2,869.97-1,195.74

Finding the Fourth Proportional to 2,080.26, 2,869.97 and 1,195.74

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Solution

The fourth proportional to 2,080.26, 2,869.97 and 1,195.74 is: 1,649.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.26 : 2,869.97 = 1,195.74 : x
  2. Step 2: Convert to fraction form
    2,080.26/2,869.97 = 1,195.74/x
  3. Step 3: Cross multiply
    2,080.26x = 2,869.97 × 1,195.74
  4. Step 4: Simplify right side
    2,080.26x = 3,431,731.95
  5. Step 5: Solve for x
    x = 3,431,731.95/2,080.26
  6. Step 6: Final answer
    x = 1,649.66

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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.