Home / 2,203.38-3,040.66-1,271.88

Finding the Fourth Proportional to 2,203.38, 3,040.66 and 1,271.88

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Solution

The fourth proportional to 2,203.38, 3,040.66 and 1,271.88 is: 1,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.38 : 3,040.66 = 1,271.88 : x
  2. Step 2: Convert to fraction form
    2,203.38/3,040.66 = 1,271.88/x
  3. Step 3: Cross multiply
    2,203.38x = 3,040.66 × 1,271.88
  4. Step 4: Simplify right side
    2,203.38x = 3,867,336.26
  5. Step 5: Solve for x
    x = 3,867,336.26/2,203.38
  6. Step 6: Final answer
    x = 1,755.19

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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.