Home / 3,787.94-5,227.80-2,216

Finding the Fourth Proportional to 3,787.94, 5,227.80 and 2,216

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Solution

The fourth proportional to 3,787.94, 5,227.80 and 2,216 is: 3,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.94 : 5,227.80 = 2,216 : x
  2. Step 2: Convert to fraction form
    3,787.94/5,227.80 = 2,216/x
  3. Step 3: Cross multiply
    3,787.94x = 5,227.80 × 2,216
  4. Step 4: Simplify right side
    3,787.94x = 11,584,804.80
  5. Step 5: Solve for x
    x = 11,584,804.80/3,787.94
  6. Step 6: Final answer
    x = 3,058.34

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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.