Home / 3,608.42-5,412.83-1,761.11

Finding the Fourth Proportional to 3,608.42, 5,412.83 and 1,761.11

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Solution

The fourth proportional to 3,608.42, 5,412.83 and 1,761.11 is: 2,641.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.42 : 5,412.83 = 1,761.11 : x
  2. Step 2: Convert to fraction form
    3,608.42/5,412.83 = 1,761.11/x
  3. Step 3: Cross multiply
    3,608.42x = 5,412.83 × 1,761.11
  4. Step 4: Simplify right side
    3,608.42x = 9,532,589.04
  5. Step 5: Solve for x
    x = 9,532,589.04/3,608.42
  6. Step 6: Final answer
    x = 2,641.76

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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.