Home / 3,845.39-5,305.42-2,352.56

Finding the Fourth Proportional to 3,845.39, 5,305.42 and 2,352.56

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Solution

The fourth proportional to 3,845.39, 5,305.42 and 2,352.56 is: 3,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.39 : 5,305.42 = 2,352.56 : x
  2. Step 2: Convert to fraction form
    3,845.39/5,305.42 = 2,352.56/x
  3. Step 3: Cross multiply
    3,845.39x = 5,305.42 × 2,352.56
  4. Step 4: Simplify right side
    3,845.39x = 12,481,331.75
  5. Step 5: Solve for x
    x = 12,481,331.75/3,845.39
  6. Step 6: Final answer
    x = 3,245.79

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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.