Home / 3,949.36-5,450.80-2,356.10

Finding the Fourth Proportional to 3,949.36, 5,450.80 and 2,356.10

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Solution

The fourth proportional to 3,949.36, 5,450.80 and 2,356.10 is: 3,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.36 : 5,450.80 = 2,356.10 : x
  2. Step 2: Convert to fraction form
    3,949.36/5,450.80 = 2,356.10/x
  3. Step 3: Cross multiply
    3,949.36x = 5,450.80 × 2,356.10
  4. Step 4: Simplify right side
    3,949.36x = 12,842,629.88
  5. Step 5: Solve for x
    x = 12,842,629.88/3,949.36
  6. Step 6: Final answer
    x = 3,251.83

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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.