Home / 2,826.20-4,240.66-1,729.97

Finding the Fourth Proportional to 2,826.20, 4,240.66 and 1,729.97

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Solution

The fourth proportional to 2,826.20, 4,240.66 and 1,729.97 is: 2,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.20 : 4,240.66 = 1,729.97 : x
  2. Step 2: Convert to fraction form
    2,826.20/4,240.66 = 1,729.97/x
  3. Step 3: Cross multiply
    2,826.20x = 4,240.66 × 1,729.97
  4. Step 4: Simplify right side
    2,826.20x = 7,336,189.05
  5. Step 5: Solve for x
    x = 7,336,189.05/2,826.20
  6. Step 6: Final answer
    x = 2,595.78

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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.