Home / 2,512.08-3,769.20-2,203.20

Finding the Fourth Proportional to 2,512.08, 3,769.20 and 2,203.20

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Solution

The fourth proportional to 2,512.08, 3,769.20 and 2,203.20 is: 3,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.08 : 3,769.20 = 2,203.20 : x
  2. Step 2: Convert to fraction form
    2,512.08/3,769.20 = 2,203.20/x
  3. Step 3: Cross multiply
    2,512.08x = 3,769.20 × 2,203.20
  4. Step 4: Simplify right side
    2,512.08x = 8,304,301.44
  5. Step 5: Solve for x
    x = 8,304,301.44/2,512.08
  6. Step 6: Final answer
    x = 3,305.75

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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.