Home / 3,971.91-5,481.08-2,203.48

Finding the Fourth Proportional to 3,971.91, 5,481.08 and 2,203.48

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Solution

The fourth proportional to 3,971.91, 5,481.08 and 2,203.48 is: 3,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.91 : 5,481.08 = 2,203.48 : x
  2. Step 2: Convert to fraction form
    3,971.91/5,481.08 = 2,203.48/x
  3. Step 3: Cross multiply
    3,971.91x = 5,481.08 × 2,203.48
  4. Step 4: Simplify right side
    3,971.91x = 12,077,439.14
  5. Step 5: Solve for x
    x = 12,077,439.14/3,971.91
  6. Step 6: Final answer
    x = 3,040.72

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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.