Home / 3,922.44-5,881.68-1,324.56

Finding the Fourth Proportional to 3,922.44, 5,881.68 and 1,324.56

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Solution

The fourth proportional to 3,922.44, 5,881.68 and 1,324.56 is: 1,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.44 : 5,881.68 = 1,324.56 : x
  2. Step 2: Convert to fraction form
    3,922.44/5,881.68 = 1,324.56/x
  3. Step 3: Cross multiply
    3,922.44x = 5,881.68 × 1,324.56
  4. Step 4: Simplify right side
    3,922.44x = 7,790,638.06
  5. Step 5: Solve for x
    x = 7,790,638.06/3,922.44
  6. Step 6: Final answer
    x = 1,986.17

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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.