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Finding the Fourth Proportional to 2,173.14, 3,259.68 and 634.14

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Solution

The fourth proportional to 2,173.14, 3,259.68 and 634.14 is: 951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.14 : 3,259.68 = 634.14 : x
  2. Step 2: Convert to fraction form
    2,173.14/3,259.68 = 634.14/x
  3. Step 3: Cross multiply
    2,173.14x = 3,259.68 × 634.14
  4. Step 4: Simplify right side
    2,173.14x = 2,067,093.48
  5. Step 5: Solve for x
    x = 2,067,093.48/2,173.14
  6. Step 6: Final answer
    x = 951.20

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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.