Home / 3,908.39-5,393.20-2,229.67

Finding the Fourth Proportional to 3,908.39, 5,393.20 and 2,229.67

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Solution

The fourth proportional to 3,908.39, 5,393.20 and 2,229.67 is: 3,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.39 : 5,393.20 = 2,229.67 : x
  2. Step 2: Convert to fraction form
    3,908.39/5,393.20 = 2,229.67/x
  3. Step 3: Cross multiply
    3,908.39x = 5,393.20 × 2,229.67
  4. Step 4: Simplify right side
    3,908.39x = 12,025,056.24
  5. Step 5: Solve for x
    x = 12,025,056.24/3,908.39
  6. Step 6: Final answer
    x = 3,076.73

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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.