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Finding the Fourth Proportional to 2,262.05, 3,393.08 and 618.48

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Solution

The fourth proportional to 2,262.05, 3,393.08 and 618.48 is: 927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.05 : 3,393.08 = 618.48 : x
  2. Step 2: Convert to fraction form
    2,262.05/3,393.08 = 618.48/x
  3. Step 3: Cross multiply
    2,262.05x = 3,393.08 × 618.48
  4. Step 4: Simplify right side
    2,262.05x = 2,098,540.94
  5. Step 5: Solve for x
    x = 2,098,540.94/2,262.05
  6. Step 6: Final answer
    x = 927.71

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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.