Home / 3,981.44-5,493.84-2,408.96

Finding the Fourth Proportional to 3,981.44, 5,493.84 and 2,408.96

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Solution

The fourth proportional to 3,981.44, 5,493.84 and 2,408.96 is: 3,324.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.44 : 5,493.84 = 2,408.96 : x
  2. Step 2: Convert to fraction form
    3,981.44/5,493.84 = 2,408.96/x
  3. Step 3: Cross multiply
    3,981.44x = 5,493.84 × 2,408.96
  4. Step 4: Simplify right side
    3,981.44x = 13,234,440.81
  5. Step 5: Solve for x
    x = 13,234,440.81/3,981.44
  6. Step 6: Final answer
    x = 3,324.03

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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.