Home / 2,557.44-3,837.38-1,324.62

Finding the Fourth Proportional to 2,557.44, 3,837.38 and 1,324.62

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Solution

The fourth proportional to 2,557.44, 3,837.38 and 1,324.62 is: 1,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.44 : 3,837.38 = 1,324.62 : x
  2. Step 2: Convert to fraction form
    2,557.44/3,837.38 = 1,324.62/x
  3. Step 3: Cross multiply
    2,557.44x = 3,837.38 × 1,324.62
  4. Step 4: Simplify right side
    2,557.44x = 5,083,063.67
  5. Step 5: Solve for x
    x = 5,083,063.67/2,557.44
  6. Step 6: Final answer
    x = 1,987.56

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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.