Home / 3,895.80-5,837.22-2,739.12

Finding the Fourth Proportional to 3,895.80, 5,837.22 and 2,739.12

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Solution

The fourth proportional to 3,895.80, 5,837.22 and 2,739.12 is: 4,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.80 : 5,837.22 = 2,739.12 : x
  2. Step 2: Convert to fraction form
    3,895.80/5,837.22 = 2,739.12/x
  3. Step 3: Cross multiply
    3,895.80x = 5,837.22 × 2,739.12
  4. Step 4: Simplify right side
    3,895.80x = 15,988,846.05
  5. Step 5: Solve for x
    x = 15,988,846.05/3,895.80
  6. Step 6: Final answer
    x = 4,104.12

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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.