Home / 2,961.11-4,440.24-1,112.22

Finding the Fourth Proportional to 2,961.11, 4,440.24 and 1,112.22

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Solution

The fourth proportional to 2,961.11, 4,440.24 and 1,112.22 is: 1,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.11 : 4,440.24 = 1,112.22 : x
  2. Step 2: Convert to fraction form
    2,961.11/4,440.24 = 1,112.22/x
  3. Step 3: Cross multiply
    2,961.11x = 4,440.24 × 1,112.22
  4. Step 4: Simplify right side
    2,961.11x = 4,938,523.73
  5. Step 5: Solve for x
    x = 4,938,523.73/2,961.11
  6. Step 6: Final answer
    x = 1,667.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.