Home / 3,162.62-4,743.12-2,175.23

Finding the Fourth Proportional to 3,162.62, 4,743.12 and 2,175.23

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Solution

The fourth proportional to 3,162.62, 4,743.12 and 2,175.23 is: 3,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.62 : 4,743.12 = 2,175.23 : x
  2. Step 2: Convert to fraction form
    3,162.62/4,743.12 = 2,175.23/x
  3. Step 3: Cross multiply
    3,162.62x = 4,743.12 × 2,175.23
  4. Step 4: Simplify right side
    3,162.62x = 10,317,376.92
  5. Step 5: Solve for x
    x = 10,317,376.92/3,162.62
  6. Step 6: Final answer
    x = 3,262.29

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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.