Home / 2,237.49-3,356.42-938.25

Finding the Fourth Proportional to 2,237.49, 3,356.42 and 938.25

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Solution

The fourth proportional to 2,237.49, 3,356.42 and 938.25 is: 1,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.49 : 3,356.42 = 938.25 : x
  2. Step 2: Convert to fraction form
    2,237.49/3,356.42 = 938.25/x
  3. Step 3: Cross multiply
    2,237.49x = 3,356.42 × 938.25
  4. Step 4: Simplify right side
    2,237.49x = 3,149,156.37
  5. Step 5: Solve for x
    x = 3,149,156.37/2,237.49
  6. Step 6: Final answer
    x = 1,407.45

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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.