Home / 2,236.82-3,355.16-938.25

Finding the Fourth Proportional to 2,236.82, 3,355.16 and 938.25

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Solution

The fourth proportional to 2,236.82, 3,355.16 and 938.25 is: 1,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.82 : 3,355.16 = 938.25 : x
  2. Step 2: Convert to fraction form
    2,236.82/3,355.16 = 938.25/x
  3. Step 3: Cross multiply
    2,236.82x = 3,355.16 × 938.25
  4. Step 4: Simplify right side
    2,236.82x = 3,147,974.18
  5. Step 5: Solve for x
    x = 3,147,974.18/2,236.82
  6. Step 6: Final answer
    x = 1,407.35

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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.