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Finding the Fourth Proportional to 2,096.05, 3,144.28 and 634.95

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Solution

The fourth proportional to 2,096.05, 3,144.28 and 634.95 is: 952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.05 : 3,144.28 = 634.95 : x
  2. Step 2: Convert to fraction form
    2,096.05/3,144.28 = 634.95/x
  3. Step 3: Cross multiply
    2,096.05x = 3,144.28 × 634.95
  4. Step 4: Simplify right side
    2,096.05x = 1,996,460.59
  5. Step 5: Solve for x
    x = 1,996,460.59/2,096.05
  6. Step 6: Final answer
    x = 952.49

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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.