Home / 3,784.11-5,222.56-2,292.09

Finding the Fourth Proportional to 3,784.11, 5,222.56 and 2,292.09

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Solution

The fourth proportional to 3,784.11, 5,222.56 and 2,292.09 is: 3,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.11 : 5,222.56 = 2,292.09 : x
  2. Step 2: Convert to fraction form
    3,784.11/5,222.56 = 2,292.09/x
  3. Step 3: Cross multiply
    3,784.11x = 5,222.56 × 2,292.09
  4. Step 4: Simplify right side
    3,784.11x = 11,970,577.55
  5. Step 5: Solve for x
    x = 11,970,577.55/3,784.11
  6. Step 6: Final answer
    x = 3,163.38

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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.