Home / 3,311.96-4,963.31-2,489.27

Finding the Fourth Proportional to 3,311.96, 4,963.31 and 2,489.27

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Solution

The fourth proportional to 3,311.96, 4,963.31 and 2,489.27 is: 3,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.96 : 4,963.31 = 2,489.27 : x
  2. Step 2: Convert to fraction form
    3,311.96/4,963.31 = 2,489.27/x
  3. Step 3: Cross multiply
    3,311.96x = 4,963.31 × 2,489.27
  4. Step 4: Simplify right side
    3,311.96x = 12,354,993.87
  5. Step 5: Solve for x
    x = 12,354,993.87/3,311.96
  6. Step 6: Final answer
    x = 3,730.42

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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.