Home / 2,286.97-3,156.14-1,292.29

Finding the Fourth Proportional to 2,286.97, 3,156.14 and 1,292.29

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Solution

The fourth proportional to 2,286.97, 3,156.14 and 1,292.29 is: 1,783.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.97 : 3,156.14 = 1,292.29 : x
  2. Step 2: Convert to fraction form
    2,286.97/3,156.14 = 1,292.29/x
  3. Step 3: Cross multiply
    2,286.97x = 3,156.14 × 1,292.29
  4. Step 4: Simplify right side
    2,286.97x = 4,078,648.16
  5. Step 5: Solve for x
    x = 4,078,648.16/2,286.97
  6. Step 6: Final answer
    x = 1,783.43

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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.