Home / 3,789.97-5,228.71-2,797.62

Finding the Fourth Proportional to 3,789.97, 5,228.71 and 2,797.62

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Solution

The fourth proportional to 3,789.97, 5,228.71 and 2,797.62 is: 3,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.97 : 5,228.71 = 2,797.62 : x
  2. Step 2: Convert to fraction form
    3,789.97/5,228.71 = 2,797.62/x
  3. Step 3: Cross multiply
    3,789.97x = 5,228.71 × 2,797.62
  4. Step 4: Simplify right side
    3,789.97x = 14,627,943.67
  5. Step 5: Solve for x
    x = 14,627,943.67/3,789.97
  6. Step 6: Final answer
    x = 3,859.65

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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.