Home / 2,237.16-3,356.30-938.60

Finding the Fourth Proportional to 2,237.16, 3,356.30 and 938.60

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Solution

The fourth proportional to 2,237.16, 3,356.30 and 938.60 is: 1,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.16 : 3,356.30 = 938.60 : x
  2. Step 2: Convert to fraction form
    2,237.16/3,356.30 = 938.60/x
  3. Step 3: Cross multiply
    2,237.16x = 3,356.30 × 938.60
  4. Step 4: Simplify right side
    2,237.16x = 3,150,223.18
  5. Step 5: Solve for x
    x = 3,150,223.18/2,237.16
  6. Step 6: Final answer
    x = 1,408.13

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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.