Home / 3,464.82-5,187.92-2,639.16

Finding the Fourth Proportional to 3,464.82, 5,187.92 and 2,639.16

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Solution

The fourth proportional to 3,464.82, 5,187.92 and 2,639.16 is: 3,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.82 : 5,187.92 = 2,639.16 : x
  2. Step 2: Convert to fraction form
    3,464.82/5,187.92 = 2,639.16/x
  3. Step 3: Cross multiply
    3,464.82x = 5,187.92 × 2,639.16
  4. Step 4: Simplify right side
    3,464.82x = 13,691,737.75
  5. Step 5: Solve for x
    x = 13,691,737.75/3,464.82
  6. Step 6: Final answer
    x = 3,951.64

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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.