Home / 3,805.58-5,251.47-2,212.11

Finding the Fourth Proportional to 3,805.58, 5,251.47 and 2,212.11

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Solution

The fourth proportional to 3,805.58, 5,251.47 and 2,212.11 is: 3,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.58 : 5,251.47 = 2,212.11 : x
  2. Step 2: Convert to fraction form
    3,805.58/5,251.47 = 2,212.11/x
  3. Step 3: Cross multiply
    3,805.58x = 5,251.47 × 2,212.11
  4. Step 4: Simplify right side
    3,805.58x = 11,616,791.98
  5. Step 5: Solve for x
    x = 11,616,791.98/3,805.58
  6. Step 6: Final answer
    x = 3,052.57

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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.