Home / 3,744.85-5,617.46-1,112.38

Finding the Fourth Proportional to 3,744.85, 5,617.46 and 1,112.38

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Solution

The fourth proportional to 3,744.85, 5,617.46 and 1,112.38 is: 1,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.85 : 5,617.46 = 1,112.38 : x
  2. Step 2: Convert to fraction form
    3,744.85/5,617.46 = 1,112.38/x
  3. Step 3: Cross multiply
    3,744.85x = 5,617.46 × 1,112.38
  4. Step 4: Simplify right side
    3,744.85x = 6,248,750.15
  5. Step 5: Solve for x
    x = 6,248,750.15/3,744.85
  6. Step 6: Final answer
    x = 1,668.62

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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.