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Finding the Fourth Proportional to 3,010.68, 4,516.24 and 819.58

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Solution

The fourth proportional to 3,010.68, 4,516.24 and 819.58 is: 1,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.68 : 4,516.24 = 819.58 : x
  2. Step 2: Convert to fraction form
    3,010.68/4,516.24 = 819.58/x
  3. Step 3: Cross multiply
    3,010.68x = 4,516.24 × 819.58
  4. Step 4: Simplify right side
    3,010.68x = 3,701,419.98
  5. Step 5: Solve for x
    x = 3,701,419.98/3,010.68
  6. Step 6: Final answer
    x = 1,229.43

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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.