Home / 3,542.80-5,314.43-1,079.31

Finding the Fourth Proportional to 3,542.80, 5,314.43 and 1,079.31

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Solution

The fourth proportional to 3,542.80, 5,314.43 and 1,079.31 is: 1,619.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.80 : 5,314.43 = 1,079.31 : x
  2. Step 2: Convert to fraction form
    3,542.80/5,314.43 = 1,079.31/x
  3. Step 3: Cross multiply
    3,542.80x = 5,314.43 × 1,079.31
  4. Step 4: Simplify right side
    3,542.80x = 5,735,917.44
  5. Step 5: Solve for x
    x = 5,735,917.44/3,542.80
  6. Step 6: Final answer
    x = 1,619.04

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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.