Home / 3,949.06-5,450.08-2,952.62

Finding the Fourth Proportional to 3,949.06, 5,450.08 and 2,952.62

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Solution

The fourth proportional to 3,949.06, 5,450.08 and 2,952.62 is: 4,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.06 : 5,450.08 = 2,952.62 : x
  2. Step 2: Convert to fraction form
    3,949.06/5,450.08 = 2,952.62/x
  3. Step 3: Cross multiply
    3,949.06x = 5,450.08 × 2,952.62
  4. Step 4: Simplify right side
    3,949.06x = 16,092,015.21
  5. Step 5: Solve for x
    x = 16,092,015.21/3,949.06
  6. Step 6: Final answer
    x = 4,074.90

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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.