Home / 3,662.28-5,466.78-3,391.56

Finding the Fourth Proportional to 3,662.28, 5,466.78 and 3,391.56

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Solution

The fourth proportional to 3,662.28, 5,466.78 and 3,391.56 is: 5,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.28 : 5,466.78 = 3,391.56 : x
  2. Step 2: Convert to fraction form
    3,662.28/5,466.78 = 3,391.56/x
  3. Step 3: Cross multiply
    3,662.28x = 5,466.78 × 3,391.56
  4. Step 4: Simplify right side
    3,662.28x = 18,540,912.38
  5. Step 5: Solve for x
    x = 18,540,912.38/3,662.28
  6. Step 6: Final answer
    x = 5,062.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.