Home / 2,717.07-4,076.26-769.22

Finding the Fourth Proportional to 2,717.07, 4,076.26 and 769.22

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Solution

The fourth proportional to 2,717.07, 4,076.26 and 769.22 is: 1,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.07 : 4,076.26 = 769.22 : x
  2. Step 2: Convert to fraction form
    2,717.07/4,076.26 = 769.22/x
  3. Step 3: Cross multiply
    2,717.07x = 4,076.26 × 769.22
  4. Step 4: Simplify right side
    2,717.07x = 3,135,533.70
  5. Step 5: Solve for x
    x = 3,135,533.70/2,717.07
  6. Step 6: Final answer
    x = 1,154.01

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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.