Home / 3,714.80-5,561.26-2,745.24

Finding the Fourth Proportional to 3,714.80, 5,561.26 and 2,745.24

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Solution

The fourth proportional to 3,714.80, 5,561.26 and 2,745.24 is: 4,109.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.80 : 5,561.26 = 2,745.24 : x
  2. Step 2: Convert to fraction form
    3,714.80/5,561.26 = 2,745.24/x
  3. Step 3: Cross multiply
    3,714.80x = 5,561.26 × 2,745.24
  4. Step 4: Simplify right side
    3,714.80x = 15,266,993.40
  5. Step 5: Solve for x
    x = 15,266,993.40/3,714.80
  6. Step 6: Final answer
    x = 4,109.78

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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.