Home / 3,949.35-5,450.82-2,356.11

Finding the Fourth Proportional to 3,949.35, 5,450.82 and 2,356.11

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Solution

The fourth proportional to 3,949.35, 5,450.82 and 2,356.11 is: 3,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.35 : 5,450.82 = 2,356.11 : x
  2. Step 2: Convert to fraction form
    3,949.35/5,450.82 = 2,356.11/x
  3. Step 3: Cross multiply
    3,949.35x = 5,450.82 × 2,356.11
  4. Step 4: Simplify right side
    3,949.35x = 12,842,731.51
  5. Step 5: Solve for x
    x = 12,842,731.51/3,949.35
  6. Step 6: Final answer
    x = 3,251.86

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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.