Home / 3,834.97-5,292.27-2,156.45

Finding the Fourth Proportional to 3,834.97, 5,292.27 and 2,156.45

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Solution

The fourth proportional to 3,834.97, 5,292.27 and 2,156.45 is: 2,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.97 : 5,292.27 = 2,156.45 : x
  2. Step 2: Convert to fraction form
    3,834.97/5,292.27 = 2,156.45/x
  3. Step 3: Cross multiply
    3,834.97x = 5,292.27 × 2,156.45
  4. Step 4: Simplify right side
    3,834.97x = 11,412,489.18
  5. Step 5: Solve for x
    x = 11,412,489.18/3,834.97
  6. Step 6: Final answer
    x = 2,975.90

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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.