Home / 3,171.92-4,734.57-2,949.08

Finding the Fourth Proportional to 3,171.92, 4,734.57 and 2,949.08

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Solution

The fourth proportional to 3,171.92, 4,734.57 and 2,949.08 is: 4,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.92 : 4,734.57 = 2,949.08 : x
  2. Step 2: Convert to fraction form
    3,171.92/4,734.57 = 2,949.08/x
  3. Step 3: Cross multiply
    3,171.92x = 4,734.57 × 2,949.08
  4. Step 4: Simplify right side
    3,171.92x = 13,962,610.95
  5. Step 5: Solve for x
    x = 13,962,610.95/3,171.92
  6. Step 6: Final answer
    x = 4,401.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.