Home / 2,182.68-3,272.32-1,086.48

Finding the Fourth Proportional to 2,182.68, 3,272.32 and 1,086.48

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Solution

The fourth proportional to 2,182.68, 3,272.32 and 1,086.48 is: 1,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.68 : 3,272.32 = 1,086.48 : x
  2. Step 2: Convert to fraction form
    2,182.68/3,272.32 = 1,086.48/x
  3. Step 3: Cross multiply
    2,182.68x = 3,272.32 × 1,086.48
  4. Step 4: Simplify right side
    2,182.68x = 3,555,310.23
  5. Step 5: Solve for x
    x = 3,555,310.23/2,182.68
  6. Step 6: Final answer
    x = 1,628.87

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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.