Home / 2,236.32-3,355.44-938.08

Finding the Fourth Proportional to 2,236.32, 3,355.44 and 938.08

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Solution

The fourth proportional to 2,236.32, 3,355.44 and 938.08 is: 1,407.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.32 : 3,355.44 = 938.08 : x
  2. Step 2: Convert to fraction form
    2,236.32/3,355.44 = 938.08/x
  3. Step 3: Cross multiply
    2,236.32x = 3,355.44 × 938.08
  4. Step 4: Simplify right side
    2,236.32x = 3,147,671.16
  5. Step 5: Solve for x
    x = 3,147,671.16/2,236.32
  6. Step 6: Final answer
    x = 1,407.52

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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.