Home / 2,195.31-3,029.49-1,251.15

Finding the Fourth Proportional to 2,195.31, 3,029.49 and 1,251.15

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Solution

The fourth proportional to 2,195.31, 3,029.49 and 1,251.15 is: 1,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.31 : 3,029.49 = 1,251.15 : x
  2. Step 2: Convert to fraction form
    2,195.31/3,029.49 = 1,251.15/x
  3. Step 3: Cross multiply
    2,195.31x = 3,029.49 × 1,251.15
  4. Step 4: Simplify right side
    2,195.31x = 3,790,353.99
  5. Step 5: Solve for x
    x = 3,790,353.99/2,195.31
  6. Step 6: Final answer
    x = 1,726.57

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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.