Home / 3,744.44-5,616.66-1,279.28

Finding the Fourth Proportional to 3,744.44, 5,616.66 and 1,279.28

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Solution

The fourth proportional to 3,744.44, 5,616.66 and 1,279.28 is: 1,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.44 : 5,616.66 = 1,279.28 : x
  2. Step 2: Convert to fraction form
    3,744.44/5,616.66 = 1,279.28/x
  3. Step 3: Cross multiply
    3,744.44x = 5,616.66 × 1,279.28
  4. Step 4: Simplify right side
    3,744.44x = 7,185,280.80
  5. Step 5: Solve for x
    x = 7,185,280.80/3,744.44
  6. Step 6: Final answer
    x = 1,918.92

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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.