Home / 3,954.03-5,456.60-2,161.56

Finding the Fourth Proportional to 3,954.03, 5,456.60 and 2,161.56

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Solution

The fourth proportional to 3,954.03, 5,456.60 and 2,161.56 is: 2,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.03 : 5,456.60 = 2,161.56 : x
  2. Step 2: Convert to fraction form
    3,954.03/5,456.60 = 2,161.56/x
  3. Step 3: Cross multiply
    3,954.03x = 5,456.60 × 2,161.56
  4. Step 4: Simplify right side
    3,954.03x = 11,794,768.30
  5. Step 5: Solve for x
    x = 11,794,768.30/3,954.03
  6. Step 6: Final answer
    x = 2,982.97

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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.