Home / 3,794.09-5,236.11-2,115.50

Finding the Fourth Proportional to 3,794.09, 5,236.11 and 2,115.50

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Solution

The fourth proportional to 3,794.09, 5,236.11 and 2,115.50 is: 2,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.09 : 5,236.11 = 2,115.50 : x
  2. Step 2: Convert to fraction form
    3,794.09/5,236.11 = 2,115.50/x
  3. Step 3: Cross multiply
    3,794.09x = 5,236.11 × 2,115.50
  4. Step 4: Simplify right side
    3,794.09x = 11,076,964.52
  5. Step 5: Solve for x
    x = 11,076,964.52/3,794.09
  6. Step 6: Final answer
    x = 2,919.54

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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.