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Finding the Fourth Proportional to 2,364.78, 3,546.77 and 633

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Solution

The fourth proportional to 2,364.78, 3,546.77 and 633 is: 949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.78 : 3,546.77 = 633 : x
  2. Step 2: Convert to fraction form
    2,364.78/3,546.77 = 633/x
  3. Step 3: Cross multiply
    2,364.78x = 3,546.77 × 633
  4. Step 4: Simplify right side
    2,364.78x = 2,245,102.25
  5. Step 5: Solve for x
    x = 2,245,102.25/2,364.78
  6. Step 6: Final answer
    x = 949.39

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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.