Home / 2,717.36-4,076.78-1,157.44

Finding the Fourth Proportional to 2,717.36, 4,076.78 and 1,157.44

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Solution

The fourth proportional to 2,717.36, 4,076.78 and 1,157.44 is: 1,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.36 : 4,076.78 = 1,157.44 : x
  2. Step 2: Convert to fraction form
    2,717.36/4,076.78 = 1,157.44/x
  3. Step 3: Cross multiply
    2,717.36x = 4,076.78 × 1,157.44
  4. Step 4: Simplify right side
    2,717.36x = 4,718,628.24
  5. Step 5: Solve for x
    x = 4,718,628.24/2,717.36
  6. Step 6: Final answer
    x = 1,736.48

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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.