Home / 2,194.38-3,022.92-1,878.62

Finding the Fourth Proportional to 2,194.38, 3,022.92 and 1,878.62

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Solution

The fourth proportional to 2,194.38, 3,022.92 and 1,878.62 is: 2,587.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.38 : 3,022.92 = 1,878.62 : x
  2. Step 2: Convert to fraction form
    2,194.38/3,022.92 = 1,878.62/x
  3. Step 3: Cross multiply
    2,194.38x = 3,022.92 × 1,878.62
  4. Step 4: Simplify right side
    2,194.38x = 5,678,917.97
  5. Step 5: Solve for x
    x = 5,678,917.97/2,194.38
  6. Step 6: Final answer
    x = 2,587.94

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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.