Home / 3,743.62-5,615.22-1,146.56

Finding the Fourth Proportional to 3,743.62, 5,615.22 and 1,146.56

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Solution

The fourth proportional to 3,743.62, 5,615.22 and 1,146.56 is: 1,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.62 : 5,615.22 = 1,146.56 : x
  2. Step 2: Convert to fraction form
    3,743.62/5,615.22 = 1,146.56/x
  3. Step 3: Cross multiply
    3,743.62x = 5,615.22 × 1,146.56
  4. Step 4: Simplify right side
    3,743.62x = 6,438,186.64
  5. Step 5: Solve for x
    x = 6,438,186.64/3,743.62
  6. Step 6: Final answer
    x = 1,719.78

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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.