Home / 2,226.82-3,334.74-1,129.66

Finding the Fourth Proportional to 2,226.82, 3,334.74 and 1,129.66

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Solution

The fourth proportional to 2,226.82, 3,334.74 and 1,129.66 is: 1,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.82 : 3,334.74 = 1,129.66 : x
  2. Step 2: Convert to fraction form
    2,226.82/3,334.74 = 1,129.66/x
  3. Step 3: Cross multiply
    2,226.82x = 3,334.74 × 1,129.66
  4. Step 4: Simplify right side
    2,226.82x = 3,767,122.39
  5. Step 5: Solve for x
    x = 3,767,122.39/2,226.82
  6. Step 6: Final answer
    x = 1,691.70

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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.