Home / 3,161.59-4,744.11-2,122.46

Finding the Fourth Proportional to 3,161.59, 4,744.11 and 2,122.46

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Solution

The fourth proportional to 3,161.59, 4,744.11 and 2,122.46 is: 3,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.59 : 4,744.11 = 2,122.46 : x
  2. Step 2: Convert to fraction form
    3,161.59/4,744.11 = 2,122.46/x
  3. Step 3: Cross multiply
    3,161.59x = 4,744.11 × 2,122.46
  4. Step 4: Simplify right side
    3,161.59x = 10,069,183.71
  5. Step 5: Solve for x
    x = 10,069,183.71/3,161.59
  6. Step 6: Final answer
    x = 3,184.85

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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.