Home / 3,743.28-5,615.74-1,146.42

Finding the Fourth Proportional to 3,743.28, 5,615.74 and 1,146.42

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Solution

The fourth proportional to 3,743.28, 5,615.74 and 1,146.42 is: 1,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.28 : 5,615.74 = 1,146.42 : x
  2. Step 2: Convert to fraction form
    3,743.28/5,615.74 = 1,146.42/x
  3. Step 3: Cross multiply
    3,743.28x = 5,615.74 × 1,146.42
  4. Step 4: Simplify right side
    3,743.28x = 6,437,996.65
  5. Step 5: Solve for x
    x = 6,437,996.65/3,743.28
  6. Step 6: Final answer
    x = 1,719.88

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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.