Home / 3,801.36-5,249.16-2,808.36

Finding the Fourth Proportional to 3,801.36, 5,249.16 and 2,808.36

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Solution

The fourth proportional to 3,801.36, 5,249.16 and 2,808.36 is: 3,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.36 : 5,249.16 = 2,808.36 : x
  2. Step 2: Convert to fraction form
    3,801.36/5,249.16 = 2,808.36/x
  3. Step 3: Cross multiply
    3,801.36x = 5,249.16 × 2,808.36
  4. Step 4: Simplify right side
    3,801.36x = 14,741,530.98
  5. Step 5: Solve for x
    x = 14,741,530.98/3,801.36
  6. Step 6: Final answer
    x = 3,877.96

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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.