Home / 3,183.91-4,777.72-1,334.88

Finding the Fourth Proportional to 3,183.91, 4,777.72 and 1,334.88

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Solution

The fourth proportional to 3,183.91, 4,777.72 and 1,334.88 is: 2,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.91 : 4,777.72 = 1,334.88 : x
  2. Step 2: Convert to fraction form
    3,183.91/4,777.72 = 1,334.88/x
  3. Step 3: Cross multiply
    3,183.91x = 4,777.72 × 1,334.88
  4. Step 4: Simplify right side
    3,183.91x = 6,377,679.54
  5. Step 5: Solve for x
    x = 6,377,679.54/3,183.91
  6. Step 6: Final answer
    x = 2,003.10

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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.