Home / 3,227.37-4,836.79-1,278.51

Finding the Fourth Proportional to 3,227.37, 4,836.79 and 1,278.51

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Solution

The fourth proportional to 3,227.37, 4,836.79 and 1,278.51 is: 1,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.37 : 4,836.79 = 1,278.51 : x
  2. Step 2: Convert to fraction form
    3,227.37/4,836.79 = 1,278.51/x
  3. Step 3: Cross multiply
    3,227.37x = 4,836.79 × 1,278.51
  4. Step 4: Simplify right side
    3,227.37x = 6,183,884.38
  5. Step 5: Solve for x
    x = 6,183,884.38/3,227.37
  6. Step 6: Final answer
    x = 1,916.08

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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.