Home / 3,201.89-4,418.84-1,786.03

Finding the Fourth Proportional to 3,201.89, 4,418.84 and 1,786.03

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Solution

The fourth proportional to 3,201.89, 4,418.84 and 1,786.03 is: 2,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.89 : 4,418.84 = 1,786.03 : x
  2. Step 2: Convert to fraction form
    3,201.89/4,418.84 = 1,786.03/x
  3. Step 3: Cross multiply
    3,201.89x = 4,418.84 × 1,786.03
  4. Step 4: Simplify right side
    3,201.89x = 7,892,174.22
  5. Step 5: Solve for x
    x = 7,892,174.22/3,201.89
  6. Step 6: Final answer
    x = 2,464.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.