Home / 3,743.13-5,610.21-1,660.78

Finding the Fourth Proportional to 3,743.13, 5,610.21 and 1,660.78

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Solution

The fourth proportional to 3,743.13, 5,610.21 and 1,660.78 is: 2,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.13 : 5,610.21 = 1,660.78 : x
  2. Step 2: Convert to fraction form
    3,743.13/5,610.21 = 1,660.78/x
  3. Step 3: Cross multiply
    3,743.13x = 5,610.21 × 1,660.78
  4. Step 4: Simplify right side
    3,743.13x = 9,317,324.56
  5. Step 5: Solve for x
    x = 9,317,324.56/3,743.13
  6. Step 6: Final answer
    x = 2,489.18

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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.