Home / 3,825.09-5,739.26-2,091.69

Finding the Fourth Proportional to 3,825.09, 5,739.26 and 2,091.69

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Solution

The fourth proportional to 3,825.09, 5,739.26 and 2,091.69 is: 3,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.09 : 5,739.26 = 2,091.69 : x
  2. Step 2: Convert to fraction form
    3,825.09/5,739.26 = 2,091.69/x
  3. Step 3: Cross multiply
    3,825.09x = 5,739.26 × 2,091.69
  4. Step 4: Simplify right side
    3,825.09x = 12,004,742.29
  5. Step 5: Solve for x
    x = 12,004,742.29/3,825.09
  6. Step 6: Final answer
    x = 3,138.42

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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.