Home / 3,787.37-5,673.54-2,961.78

Finding the Fourth Proportional to 3,787.37, 5,673.54 and 2,961.78

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Solution

The fourth proportional to 3,787.37, 5,673.54 and 2,961.78 is: 4,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.37 : 5,673.54 = 2,961.78 : x
  2. Step 2: Convert to fraction form
    3,787.37/5,673.54 = 2,961.78/x
  3. Step 3: Cross multiply
    3,787.37x = 5,673.54 × 2,961.78
  4. Step 4: Simplify right side
    3,787.37x = 16,803,777.30
  5. Step 5: Solve for x
    x = 16,803,777.30/3,787.37
  6. Step 6: Final answer
    x = 4,436.79

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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.