Home / 3,155.25-4,734.50-2,236.71

Finding the Fourth Proportional to 3,155.25, 4,734.50 and 2,236.71

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Solution

The fourth proportional to 3,155.25, 4,734.50 and 2,236.71 is: 3,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.25 : 4,734.50 = 2,236.71 : x
  2. Step 2: Convert to fraction form
    3,155.25/4,734.50 = 2,236.71/x
  3. Step 3: Cross multiply
    3,155.25x = 4,734.50 × 2,236.71
  4. Step 4: Simplify right side
    3,155.25x = 10,589,722.65
  5. Step 5: Solve for x
    x = 10,589,722.65/3,155.25
  6. Step 6: Final answer
    x = 3,356.22

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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.