Home / 2,237.66-3,356.97-938.38

Finding the Fourth Proportional to 2,237.66, 3,356.97 and 938.38

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Solution

The fourth proportional to 2,237.66, 3,356.97 and 938.38 is: 1,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.66 : 3,356.97 = 938.38 : x
  2. Step 2: Convert to fraction form
    2,237.66/3,356.97 = 938.38/x
  3. Step 3: Cross multiply
    2,237.66x = 3,356.97 × 938.38
  4. Step 4: Simplify right side
    2,237.66x = 3,150,113.51
  5. Step 5: Solve for x
    x = 3,150,113.51/2,237.66
  6. Step 6: Final answer
    x = 1,407.77

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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.