Home / 2,542.44-3,810.31-1,079.78

Finding the Fourth Proportional to 2,542.44, 3,810.31 and 1,079.78

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Solution

The fourth proportional to 2,542.44, 3,810.31 and 1,079.78 is: 1,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.44 : 3,810.31 = 1,079.78 : x
  2. Step 2: Convert to fraction form
    2,542.44/3,810.31 = 1,079.78/x
  3. Step 3: Cross multiply
    2,542.44x = 3,810.31 × 1,079.78
  4. Step 4: Simplify right side
    2,542.44x = 4,114,296.53
  5. Step 5: Solve for x
    x = 4,114,296.53/2,542.44
  6. Step 6: Final answer
    x = 1,618.25

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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.