Home / 2,236.90-3,355.65-938.07

Finding the Fourth Proportional to 2,236.90, 3,355.65 and 938.07

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Solution

The fourth proportional to 2,236.90, 3,355.65 and 938.07 is: 1,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.90 : 3,355.65 = 938.07 : x
  2. Step 2: Convert to fraction form
    2,236.90/3,355.65 = 938.07/x
  3. Step 3: Cross multiply
    2,236.90x = 3,355.65 × 938.07
  4. Step 4: Simplify right side
    2,236.90x = 3,147,834.60
  5. Step 5: Solve for x
    x = 3,147,834.60/2,236.90
  6. Step 6: Final answer
    x = 1,407.23

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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.