Home / 3,834.63-5,278.73-2,838.03

Finding the Fourth Proportional to 3,834.63, 5,278.73 and 2,838.03

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Solution

The fourth proportional to 3,834.63, 5,278.73 and 2,838.03 is: 3,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.63 : 5,278.73 = 2,838.03 : x
  2. Step 2: Convert to fraction form
    3,834.63/5,278.73 = 2,838.03/x
  3. Step 3: Cross multiply
    3,834.63x = 5,278.73 × 2,838.03
  4. Step 4: Simplify right side
    3,834.63x = 14,981,194.10
  5. Step 5: Solve for x
    x = 14,981,194.10/3,834.63
  6. Step 6: Final answer
    x = 3,906.82

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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.