Home / 3,227.24-4,836.61-1,278.38

Finding the Fourth Proportional to 3,227.24, 4,836.61 and 1,278.38

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Solution

The fourth proportional to 3,227.24, 4,836.61 and 1,278.38 is: 1,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.24 : 4,836.61 = 1,278.38 : x
  2. Step 2: Convert to fraction form
    3,227.24/4,836.61 = 1,278.38/x
  3. Step 3: Cross multiply
    3,227.24x = 4,836.61 × 1,278.38
  4. Step 4: Simplify right side
    3,227.24x = 6,183,025.49
  5. Step 5: Solve for x
    x = 6,183,025.49/3,227.24
  6. Step 6: Final answer
    x = 1,915.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.