Home / 2,194.70-3,292.82-1,372

Finding the Fourth Proportional to 2,194.70, 3,292.82 and 1,372

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Solution

The fourth proportional to 2,194.70, 3,292.82 and 1,372 is: 2,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.70 : 3,292.82 = 1,372 : x
  2. Step 2: Convert to fraction form
    2,194.70/3,292.82 = 1,372/x
  3. Step 3: Cross multiply
    2,194.70x = 3,292.82 × 1,372
  4. Step 4: Simplify right side
    2,194.70x = 4,517,749.04
  5. Step 5: Solve for x
    x = 4,517,749.04/2,194.70
  6. Step 6: Final answer
    x = 2,058.48

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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.