Home / 2,204.82-3,042.56-1,321.11

Finding the Fourth Proportional to 2,204.82, 3,042.56 and 1,321.11

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Solution

The fourth proportional to 2,204.82, 3,042.56 and 1,321.11 is: 1,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.82 : 3,042.56 = 1,321.11 : x
  2. Step 2: Convert to fraction form
    2,204.82/3,042.56 = 1,321.11/x
  3. Step 3: Cross multiply
    2,204.82x = 3,042.56 × 1,321.11
  4. Step 4: Simplify right side
    2,204.82x = 4,019,559.74
  5. Step 5: Solve for x
    x = 4,019,559.74/2,204.82
  6. Step 6: Final answer
    x = 1,823.08

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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.