Home / 3,625.68-5,435.37-2,161.75

Finding the Fourth Proportional to 3,625.68, 5,435.37 and 2,161.75

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Solution

The fourth proportional to 3,625.68, 5,435.37 and 2,161.75 is: 3,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.68 : 5,435.37 = 2,161.75 : x
  2. Step 2: Convert to fraction form
    3,625.68/5,435.37 = 2,161.75/x
  3. Step 3: Cross multiply
    3,625.68x = 5,435.37 × 2,161.75
  4. Step 4: Simplify right side
    3,625.68x = 11,749,930.09
  5. Step 5: Solve for x
    x = 11,749,930.09/3,625.68
  6. Step 6: Final answer
    x = 3,240.76

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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.