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Finding the Fourth Proportional to 3,787.36, 5,229.84 and 2,794.36

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Solution

The fourth proportional to 3,787.36, 5,229.84 and 2,794.36 is: 3,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.36 : 5,229.84 = 2,794.36 : x
  2. Step 2: Convert to fraction form
    3,787.36/5,229.84 = 2,794.36/x
  3. Step 3: Cross multiply
    3,787.36x = 5,229.84 × 2,794.36
  4. Step 4: Simplify right side
    3,787.36x = 14,614,055.70
  5. Step 5: Solve for x
    x = 14,614,055.70/3,787.36
  6. Step 6: Final answer
    x = 3,858.64

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1.5x scale

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.