Home / 3,786.78-5,224.70-2,273.95

Finding the Fourth Proportional to 3,786.78, 5,224.70 and 2,273.95

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Solution

The fourth proportional to 3,786.78, 5,224.70 and 2,273.95 is: 3,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.78 : 5,224.70 = 2,273.95 : x
  2. Step 2: Convert to fraction form
    3,786.78/5,224.70 = 2,273.95/x
  3. Step 3: Cross multiply
    3,786.78x = 5,224.70 × 2,273.95
  4. Step 4: Simplify right side
    3,786.78x = 11,880,680.44
  5. Step 5: Solve for x
    x = 11,880,680.44/3,786.78
  6. Step 6: Final answer
    x = 3,137.41

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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.