Home / 3,231.42-4,847.64-1,382.55

Finding the Fourth Proportional to 3,231.42, 4,847.64 and 1,382.55

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Solution

The fourth proportional to 3,231.42, 4,847.64 and 1,382.55 is: 2,074.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.42 : 4,847.64 = 1,382.55 : x
  2. Step 2: Convert to fraction form
    3,231.42/4,847.64 = 1,382.55/x
  3. Step 3: Cross multiply
    3,231.42x = 4,847.64 × 1,382.55
  4. Step 4: Simplify right side
    3,231.42x = 6,702,104.68
  5. Step 5: Solve for x
    x = 6,702,104.68/3,231.42
  6. Step 6: Final answer
    x = 2,074.04

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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.