Home / 2,195.80-3,287.24-1,371.58

Finding the Fourth Proportional to 2,195.80, 3,287.24 and 1,371.58

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Solution

The fourth proportional to 2,195.80, 3,287.24 and 1,371.58 is: 2,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.80 : 3,287.24 = 1,371.58 : x
  2. Step 2: Convert to fraction form
    2,195.80/3,287.24 = 1,371.58/x
  3. Step 3: Cross multiply
    2,195.80x = 3,287.24 × 1,371.58
  4. Step 4: Simplify right side
    2,195.80x = 4,508,696.20
  5. Step 5: Solve for x
    x = 4,508,696.20/2,195.80
  6. Step 6: Final answer
    x = 2,053.33

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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.