Home / 3,789.36-5,227.80-2,796.96

Finding the Fourth Proportional to 3,789.36, 5,227.80 and 2,796.96

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Solution

The fourth proportional to 3,789.36, 5,227.80 and 2,796.96 is: 3,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.36 : 5,227.80 = 2,796.96 : x
  2. Step 2: Convert to fraction form
    3,789.36/5,227.80 = 2,796.96/x
  3. Step 3: Cross multiply
    3,789.36x = 5,227.80 × 2,796.96
  4. Step 4: Simplify right side
    3,789.36x = 14,621,947.49
  5. Step 5: Solve for x
    x = 14,621,947.49/3,789.36
  6. Step 6: Final answer
    x = 3,858.69

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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.