Home / 3,864.62-5,797.38-1,231.20

Finding the Fourth Proportional to 3,864.62, 5,797.38 and 1,231.20

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Solution

The fourth proportional to 3,864.62, 5,797.38 and 1,231.20 is: 1,846.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.62 : 5,797.38 = 1,231.20 : x
  2. Step 2: Convert to fraction form
    3,864.62/5,797.38 = 1,231.20/x
  3. Step 3: Cross multiply
    3,864.62x = 5,797.38 × 1,231.20
  4. Step 4: Simplify right side
    3,864.62x = 7,137,734.26
  5. Step 5: Solve for x
    x = 7,137,734.26/3,864.62
  6. Step 6: Final answer
    x = 1,846.94

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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.