Home / 3,872.49-5,343.99-2,104.08

Finding the Fourth Proportional to 3,872.49, 5,343.99 and 2,104.08

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Solution

The fourth proportional to 3,872.49, 5,343.99 and 2,104.08 is: 2,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.49 : 5,343.99 = 2,104.08 : x
  2. Step 2: Convert to fraction form
    3,872.49/5,343.99 = 2,104.08/x
  3. Step 3: Cross multiply
    3,872.49x = 5,343.99 × 2,104.08
  4. Step 4: Simplify right side
    3,872.49x = 11,244,182.48
  5. Step 5: Solve for x
    x = 11,244,182.48/3,872.49
  6. Step 6: Final answer
    x = 2,903.61

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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.