Home / 2,275.97-3,414.76-890.30

Finding the Fourth Proportional to 2,275.97, 3,414.76 and 890.30

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Solution

The fourth proportional to 2,275.97, 3,414.76 and 890.30 is: 1,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.97 : 3,414.76 = 890.30 : x
  2. Step 2: Convert to fraction form
    2,275.97/3,414.76 = 890.30/x
  3. Step 3: Cross multiply
    2,275.97x = 3,414.76 × 890.30
  4. Step 4: Simplify right side
    2,275.97x = 3,040,147.09
  5. Step 5: Solve for x
    x = 3,040,147.09/2,275.97
  6. Step 6: Final answer
    x = 1,335.76

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1.5x scale

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.