Home / 2,195.40-3,029.73-1,251.33

Finding the Fourth Proportional to 2,195.40, 3,029.73 and 1,251.33

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Solution

The fourth proportional to 2,195.40, 3,029.73 and 1,251.33 is: 1,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.40 : 3,029.73 = 1,251.33 : x
  2. Step 2: Convert to fraction form
    2,195.40/3,029.73 = 1,251.33/x
  3. Step 3: Cross multiply
    2,195.40x = 3,029.73 × 1,251.33
  4. Step 4: Simplify right side
    2,195.40x = 3,791,203.40
  5. Step 5: Solve for x
    x = 3,791,203.40/2,195.40
  6. Step 6: Final answer
    x = 1,726.89

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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.