Home / 3,822.46-5,727.78-3,234.74

Finding the Fourth Proportional to 3,822.46, 5,727.78 and 3,234.74

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Solution

The fourth proportional to 3,822.46, 5,727.78 and 3,234.74 is: 4,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.46 : 5,727.78 = 3,234.74 : x
  2. Step 2: Convert to fraction form
    3,822.46/5,727.78 = 3,234.74/x
  3. Step 3: Cross multiply
    3,822.46x = 5,727.78 × 3,234.74
  4. Step 4: Simplify right side
    3,822.46x = 18,527,850.44
  5. Step 5: Solve for x
    x = 18,527,850.44/3,822.46
  6. Step 6: Final answer
    x = 4,847.10

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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.