Home / 3,945.03-5,921.45-2,096.15

Finding the Fourth Proportional to 3,945.03, 5,921.45 and 2,096.15

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Solution

The fourth proportional to 3,945.03, 5,921.45 and 2,096.15 is: 3,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.03 : 5,921.45 = 2,096.15 : x
  2. Step 2: Convert to fraction form
    3,945.03/5,921.45 = 2,096.15/x
  3. Step 3: Cross multiply
    3,945.03x = 5,921.45 × 2,096.15
  4. Step 4: Simplify right side
    3,945.03x = 12,412,207.33
  5. Step 5: Solve for x
    x = 12,412,207.33/3,945.03
  6. Step 6: Final answer
    x = 3,146.29

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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.