Home / 3,805.20-5,704.81-2,418.28

Finding the Fourth Proportional to 3,805.20, 5,704.81 and 2,418.28

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Solution

The fourth proportional to 3,805.20, 5,704.81 and 2,418.28 is: 3,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.20 : 5,704.81 = 2,418.28 : x
  2. Step 2: Convert to fraction form
    3,805.20/5,704.81 = 2,418.28/x
  3. Step 3: Cross multiply
    3,805.20x = 5,704.81 × 2,418.28
  4. Step 4: Simplify right side
    3,805.20x = 13,795,821.22
  5. Step 5: Solve for x
    x = 13,795,821.22/3,805.20
  6. Step 6: Final answer
    x = 3,625.52

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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.