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Finding the Fourth Proportional to 2,717.84, 4,076.84 and 1,799.28

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Solution

The fourth proportional to 2,717.84, 4,076.84 and 1,799.28 is: 2,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.84 : 4,076.84 = 1,799.28 : x
  2. Step 2: Convert to fraction form
    2,717.84/4,076.84 = 1,799.28/x
  3. Step 3: Cross multiply
    2,717.84x = 4,076.84 × 1,799.28
  4. Step 4: Simplify right side
    2,717.84x = 7,335,376.68
  5. Step 5: Solve for x
    x = 7,335,376.68/2,717.84
  6. Step 6: Final answer
    x = 2,698.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.