Home / 3,804.75-5,249.97-2,125.95

Finding the Fourth Proportional to 3,804.75, 5,249.97 and 2,125.95

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Solution

The fourth proportional to 3,804.75, 5,249.97 and 2,125.95 is: 2,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.75 : 5,249.97 = 2,125.95 : x
  2. Step 2: Convert to fraction form
    3,804.75/5,249.97 = 2,125.95/x
  3. Step 3: Cross multiply
    3,804.75x = 5,249.97 × 2,125.95
  4. Step 4: Simplify right side
    3,804.75x = 11,161,173.72
  5. Step 5: Solve for x
    x = 11,161,173.72/3,804.75
  6. Step 6: Final answer
    x = 2,933.48

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Half scale
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Double scale
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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.