Home / 2,481.28-3,423.84-1,549.44

Finding the Fourth Proportional to 2,481.28, 3,423.84 and 1,549.44

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Solution

The fourth proportional to 2,481.28, 3,423.84 and 1,549.44 is: 2,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.28 : 3,423.84 = 1,549.44 : x
  2. Step 2: Convert to fraction form
    2,481.28/3,423.84 = 1,549.44/x
  3. Step 3: Cross multiply
    2,481.28x = 3,423.84 × 1,549.44
  4. Step 4: Simplify right side
    2,481.28x = 5,305,034.65
  5. Step 5: Solve for x
    x = 5,305,034.65/2,481.28
  6. Step 6: Final answer
    x = 2,138.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.