Home / 2,792.52-3,849.79-2,286.61

Finding the Fourth Proportional to 2,792.52, 3,849.79 and 2,286.61

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Solution

The fourth proportional to 2,792.52, 3,849.79 and 2,286.61 is: 3,152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.52 : 3,849.79 = 2,286.61 : x
  2. Step 2: Convert to fraction form
    2,792.52/3,849.79 = 2,286.61/x
  3. Step 3: Cross multiply
    2,792.52x = 3,849.79 × 2,286.61
  4. Step 4: Simplify right side
    2,792.52x = 8,802,937.63
  5. Step 5: Solve for x
    x = 8,802,937.63/2,792.52
  6. Step 6: Final answer
    x = 3,152.33

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1.5x scale

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.