Home / 3,925.44-5,408.82-3,245.64

Finding the Fourth Proportional to 3,925.44, 5,408.82 and 3,245.64

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Solution

The fourth proportional to 3,925.44, 5,408.82 and 3,245.64 is: 4,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.44 : 5,408.82 = 3,245.64 : x
  2. Step 2: Convert to fraction form
    3,925.44/5,408.82 = 3,245.64/x
  3. Step 3: Cross multiply
    3,925.44x = 5,408.82 × 3,245.64
  4. Step 4: Simplify right side
    3,925.44x = 17,555,082.54
  5. Step 5: Solve for x
    x = 17,555,082.54/3,925.44
  6. Step 6: Final answer
    x = 4,472.13

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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.