Home / 3,971.63-5,481.11-2,293.35

Finding the Fourth Proportional to 3,971.63, 5,481.11 and 2,293.35

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Solution

The fourth proportional to 3,971.63, 5,481.11 and 2,293.35 is: 3,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.63 : 5,481.11 = 2,293.35 : x
  2. Step 2: Convert to fraction form
    3,971.63/5,481.11 = 2,293.35/x
  3. Step 3: Cross multiply
    3,971.63x = 5,481.11 × 2,293.35
  4. Step 4: Simplify right side
    3,971.63x = 12,570,092.15
  5. Step 5: Solve for x
    x = 12,570,092.15/3,971.63
  6. Step 6: Final answer
    x = 3,164.97

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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.