Home / 3,821.84-5,723.04-2,519.36

Finding the Fourth Proportional to 3,821.84, 5,723.04 and 2,519.36

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Solution

The fourth proportional to 3,821.84, 5,723.04 and 2,519.36 is: 3,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.84 : 5,723.04 = 2,519.36 : x
  2. Step 2: Convert to fraction form
    3,821.84/5,723.04 = 2,519.36/x
  3. Step 3: Cross multiply
    3,821.84x = 5,723.04 × 2,519.36
  4. Step 4: Simplify right side
    3,821.84x = 14,418,398.05
  5. Step 5: Solve for x
    x = 14,418,398.05/3,821.84
  6. Step 6: Final answer
    x = 3,772.63

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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.