Home / 2,231.29-3,343.15-1,578.84

Finding the Fourth Proportional to 2,231.29, 3,343.15 and 1,578.84

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Solution

The fourth proportional to 2,231.29, 3,343.15 and 1,578.84 is: 2,365.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.29 : 3,343.15 = 1,578.84 : x
  2. Step 2: Convert to fraction form
    2,231.29/3,343.15 = 1,578.84/x
  3. Step 3: Cross multiply
    2,231.29x = 3,343.15 × 1,578.84
  4. Step 4: Simplify right side
    2,231.29x = 5,278,298.95
  5. Step 5: Solve for x
    x = 5,278,298.95/2,231.29
  6. Step 6: Final answer
    x = 2,365.58

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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.