Home / 3,154.69-4,734.15-2,179.05

Finding the Fourth Proportional to 3,154.69, 4,734.15 and 2,179.05

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Solution

The fourth proportional to 3,154.69, 4,734.15 and 2,179.05 is: 3,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.69 : 4,734.15 = 2,179.05 : x
  2. Step 2: Convert to fraction form
    3,154.69/4,734.15 = 2,179.05/x
  3. Step 3: Cross multiply
    3,154.69x = 4,734.15 × 2,179.05
  4. Step 4: Simplify right side
    3,154.69x = 10,315,949.56
  5. Step 5: Solve for x
    x = 10,315,949.56/3,154.69
  6. Step 6: Final answer
    x = 3,270.04

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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.