Home / 2,204.92-3,042.22-1,321.08

Finding the Fourth Proportional to 2,204.92, 3,042.22 and 1,321.08

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Solution

The fourth proportional to 2,204.92, 3,042.22 and 1,321.08 is: 1,822.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.92 : 3,042.22 = 1,321.08 : x
  2. Step 2: Convert to fraction form
    2,204.92/3,042.22 = 1,321.08/x
  3. Step 3: Cross multiply
    2,204.92x = 3,042.22 × 1,321.08
  4. Step 4: Simplify right side
    2,204.92x = 4,019,016.00
  5. Step 5: Solve for x
    x = 4,019,016.00/2,204.92
  6. Step 6: Final answer
    x = 1,822.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.