Home / 3,872.84-5,344.50-2,104.44

Finding the Fourth Proportional to 3,872.84, 5,344.50 and 2,104.44

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Solution

The fourth proportional to 3,872.84, 5,344.50 and 2,104.44 is: 2,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.84 : 5,344.50 = 2,104.44 : x
  2. Step 2: Convert to fraction form
    3,872.84/5,344.50 = 2,104.44/x
  3. Step 3: Cross multiply
    3,872.84x = 5,344.50 × 2,104.44
  4. Step 4: Simplify right side
    3,872.84x = 11,247,191.52
  5. Step 5: Solve for x
    x = 11,247,191.52/3,872.84
  6. Step 6: Final answer
    x = 2,904.12

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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.