Home / 3,945.96-5,448.18-2,454.48

Finding the Fourth Proportional to 3,945.96, 5,448.18 and 2,454.48

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Solution

The fourth proportional to 3,945.96, 5,448.18 and 2,454.48 is: 3,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.96 : 5,448.18 = 2,454.48 : x
  2. Step 2: Convert to fraction form
    3,945.96/5,448.18 = 2,454.48/x
  3. Step 3: Cross multiply
    3,945.96x = 5,448.18 × 2,454.48
  4. Step 4: Simplify right side
    3,945.96x = 13,372,448.85
  5. Step 5: Solve for x
    x = 13,372,448.85/3,945.96
  6. Step 6: Final answer
    x = 3,388.90

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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.