Home / 3,901.45-5,383.99-2,222.85

Finding the Fourth Proportional to 3,901.45, 5,383.99 and 2,222.85

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Solution

The fourth proportional to 3,901.45, 5,383.99 and 2,222.85 is: 3,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.45 : 5,383.99 = 2,222.85 : x
  2. Step 2: Convert to fraction form
    3,901.45/5,383.99 = 2,222.85/x
  3. Step 3: Cross multiply
    3,901.45x = 5,383.99 × 2,222.85
  4. Step 4: Simplify right side
    3,901.45x = 11,967,802.17
  5. Step 5: Solve for x
    x = 11,967,802.17/3,901.45
  6. Step 6: Final answer
    x = 3,067.53

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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.