Home / 3,288.38-4,537.96-1,891.22

Finding the Fourth Proportional to 3,288.38, 4,537.96 and 1,891.22

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Solution

The fourth proportional to 3,288.38, 4,537.96 and 1,891.22 is: 2,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.38 : 4,537.96 = 1,891.22 : x
  2. Step 2: Convert to fraction form
    3,288.38/4,537.96 = 1,891.22/x
  3. Step 3: Cross multiply
    3,288.38x = 4,537.96 × 1,891.22
  4. Step 4: Simplify right side
    3,288.38x = 8,582,253.29
  5. Step 5: Solve for x
    x = 8,582,253.29/3,288.38
  6. Step 6: Final answer
    x = 2,609.88

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1.5x scale

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.