Home / 4,162.20-5,743.81-2,299.20

Finding the Fourth Proportional to 4,162.20, 5,743.81 and 2,299.20

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Solution

The fourth proportional to 4,162.20, 5,743.81 and 2,299.20 is: 3,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.20 : 5,743.81 = 2,299.20 : x
  2. Step 2: Convert to fraction form
    4,162.20/5,743.81 = 2,299.20/x
  3. Step 3: Cross multiply
    4,162.20x = 5,743.81 × 2,299.20
  4. Step 4: Simplify right side
    4,162.20x = 13,206,167.95
  5. Step 5: Solve for x
    x = 13,206,167.95/4,162.20
  6. Step 6: Final answer
    x = 3,172.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.