Home / 3,147.20-4,348.32-2,363.84

Finding the Fourth Proportional to 3,147.20, 4,348.32 and 2,363.84

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Solution

The fourth proportional to 3,147.20, 4,348.32 and 2,363.84 is: 3,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.20 : 4,348.32 = 2,363.84 : x
  2. Step 2: Convert to fraction form
    3,147.20/4,348.32 = 2,363.84/x
  3. Step 3: Cross multiply
    3,147.20x = 4,348.32 × 2,363.84
  4. Step 4: Simplify right side
    3,147.20x = 10,278,732.75
  5. Step 5: Solve for x
    x = 10,278,732.75/3,147.20
  6. Step 6: Final answer
    x = 3,265.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.