Home / 2,179.26-3,274.92-2,126.52

Finding the Fourth Proportional to 2,179.26, 3,274.92 and 2,126.52

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Solution

The fourth proportional to 2,179.26, 3,274.92 and 2,126.52 is: 3,195.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.26 : 3,274.92 = 2,126.52 : x
  2. Step 2: Convert to fraction form
    2,179.26/3,274.92 = 2,126.52/x
  3. Step 3: Cross multiply
    2,179.26x = 3,274.92 × 2,126.52
  4. Step 4: Simplify right side
    2,179.26x = 6,964,182.88
  5. Step 5: Solve for x
    x = 6,964,182.88/2,179.26
  6. Step 6: Final answer
    x = 3,195.66

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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.