Home / 3,949.96-5,453.70-2,458.48

Finding the Fourth Proportional to 3,949.96, 5,453.70 and 2,458.48

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Solution

The fourth proportional to 3,949.96, 5,453.70 and 2,458.48 is: 3,394.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.96 : 5,453.70 = 2,458.48 : x
  2. Step 2: Convert to fraction form
    3,949.96/5,453.70 = 2,458.48/x
  3. Step 3: Cross multiply
    3,949.96x = 5,453.70 × 2,458.48
  4. Step 4: Simplify right side
    3,949.96x = 13,407,812.38
  5. Step 5: Solve for x
    x = 13,407,812.38/3,949.96
  6. Step 6: Final answer
    x = 3,394.42

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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.