Home / 3,162.20-4,743.16-1,082.39

Finding the Fourth Proportional to 3,162.20, 4,743.16 and 1,082.39

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Solution

The fourth proportional to 3,162.20, 4,743.16 and 1,082.39 is: 1,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.20 : 4,743.16 = 1,082.39 : x
  2. Step 2: Convert to fraction form
    3,162.20/4,743.16 = 1,082.39/x
  3. Step 3: Cross multiply
    3,162.20x = 4,743.16 × 1,082.39
  4. Step 4: Simplify right side
    3,162.20x = 5,133,940.32
  5. Step 5: Solve for x
    x = 5,133,940.32/3,162.20
  6. Step 6: Final answer
    x = 1,623.53

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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.