Home / 3,231.63-4,847.94-1,382.75

Finding the Fourth Proportional to 3,231.63, 4,847.94 and 1,382.75

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Solution

The fourth proportional to 3,231.63, 4,847.94 and 1,382.75 is: 2,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.63 : 4,847.94 = 1,382.75 : x
  2. Step 2: Convert to fraction form
    3,231.63/4,847.94 = 1,382.75/x
  3. Step 3: Cross multiply
    3,231.63x = 4,847.94 × 1,382.75
  4. Step 4: Simplify right side
    3,231.63x = 6,703,489.04
  5. Step 5: Solve for x
    x = 6,703,489.04/3,231.63
  6. Step 6: Final answer
    x = 2,074.34

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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.