Home / 3,991.17-5,507.64-2,222.94

Finding the Fourth Proportional to 3,991.17, 5,507.64 and 2,222.94

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Solution

The fourth proportional to 3,991.17, 5,507.64 and 2,222.94 is: 3,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.17 : 5,507.64 = 2,222.94 : x
  2. Step 2: Convert to fraction form
    3,991.17/5,507.64 = 2,222.94/x
  3. Step 3: Cross multiply
    3,991.17x = 5,507.64 × 2,222.94
  4. Step 4: Simplify right side
    3,991.17x = 12,243,153.26
  5. Step 5: Solve for x
    x = 12,243,153.26/3,991.17
  6. Step 6: Final answer
    x = 3,067.56

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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.