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Finding the Fourth Proportional to 2,250.39, 3,375.32 and 606.81

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Solution

The fourth proportional to 2,250.39, 3,375.32 and 606.81 is: 910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.39 : 3,375.32 = 606.81 : x
  2. Step 2: Convert to fraction form
    2,250.39/3,375.32 = 606.81/x
  3. Step 3: Cross multiply
    2,250.39x = 3,375.32 × 606.81
  4. Step 4: Simplify right side
    2,250.39x = 2,048,177.93
  5. Step 5: Solve for x
    x = 2,048,177.93/2,250.39
  6. Step 6: Final answer
    x = 910.14

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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.