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Finding the Fourth Proportional to 2,610.00, 3,914.94 and 635.64

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Solution

The fourth proportional to 2,610.00, 3,914.94 and 635.64 is: 953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.00 : 3,914.94 = 635.64 : x
  2. Step 2: Convert to fraction form
    2,610.00/3,914.94 = 635.64/x
  3. Step 3: Cross multiply
    2,610.00x = 3,914.94 × 635.64
  4. Step 4: Simplify right side
    2,610.00x = 2,488,472.89
  5. Step 5: Solve for x
    x = 2,488,472.89/2,610.00
  6. Step 6: Final answer
    x = 953.44

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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.