Home / 3,216.38-4,826.59-1,268.66

Finding the Fourth Proportional to 3,216.38, 4,826.59 and 1,268.66

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Solution

The fourth proportional to 3,216.38, 4,826.59 and 1,268.66 is: 1,903.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.38 : 4,826.59 = 1,268.66 : x
  2. Step 2: Convert to fraction form
    3,216.38/4,826.59 = 1,268.66/x
  3. Step 3: Cross multiply
    3,216.38x = 4,826.59 × 1,268.66
  4. Step 4: Simplify right side
    3,216.38x = 6,123,310.56
  5. Step 5: Solve for x
    x = 6,123,310.56/3,216.38
  6. Step 6: Final answer
    x = 1,903.79

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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.