Home / 3,517.28-4,857.36-2,276

Finding the Fourth Proportional to 3,517.28, 4,857.36 and 2,276

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Solution

The fourth proportional to 3,517.28, 4,857.36 and 2,276 is: 3,143.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.28 : 4,857.36 = 2,276 : x
  2. Step 2: Convert to fraction form
    3,517.28/4,857.36 = 2,276/x
  3. Step 3: Cross multiply
    3,517.28x = 4,857.36 × 2,276
  4. Step 4: Simplify right side
    3,517.28x = 11,055,351.36
  5. Step 5: Solve for x
    x = 11,055,351.36/3,517.28
  6. Step 6: Final answer
    x = 3,143.15

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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.