Home / 3,626.26-5,439.52-1,286.64

Finding the Fourth Proportional to 3,626.26, 5,439.52 and 1,286.64

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Solution

The fourth proportional to 3,626.26, 5,439.52 and 1,286.64 is: 1,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.26 : 5,439.52 = 1,286.64 : x
  2. Step 2: Convert to fraction form
    3,626.26/5,439.52 = 1,286.64/x
  3. Step 3: Cross multiply
    3,626.26x = 5,439.52 × 1,286.64
  4. Step 4: Simplify right side
    3,626.26x = 6,998,704.01
  5. Step 5: Solve for x
    x = 6,998,704.01/3,626.26
  6. Step 6: Final answer
    x = 1,930.01

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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.