Home / 2,694.43-4,040.97-1,912.15

Finding the Fourth Proportional to 2,694.43, 4,040.97 and 1,912.15

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Solution

The fourth proportional to 2,694.43, 4,040.97 and 1,912.15 is: 2,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.43 : 4,040.97 = 1,912.15 : x
  2. Step 2: Convert to fraction form
    2,694.43/4,040.97 = 1,912.15/x
  3. Step 3: Cross multiply
    2,694.43x = 4,040.97 × 1,912.15
  4. Step 4: Simplify right side
    2,694.43x = 7,726,940.79
  5. Step 5: Solve for x
    x = 7,726,940.79/2,694.43
  6. Step 6: Final answer
    x = 2,867.75

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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.