Home / 4,949-7,418.92-2,481.20

Finding the Fourth Proportional to 4,949, 7,418.92 and 2,481.20

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Solution

The fourth proportional to 4,949, 7,418.92 and 2,481.20 is: 3,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949 : 7,418.92 = 2,481.20 : x
  2. Step 2: Convert to fraction form
    4,949/7,418.92 = 2,481.20/x
  3. Step 3: Cross multiply
    4,949x = 7,418.92 × 2,481.20
  4. Step 4: Simplify right side
    4,949x = 18,407,824.30
  5. Step 5: Solve for x
    x = 18,407,824.30/4,949
  6. Step 6: Final answer
    x = 3,719.50

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1.5x scale

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.