Home / 3,010.86-4,516.62-819.84

Finding the Fourth Proportional to 3,010.86, 4,516.62 and 819.84

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Solution

The fourth proportional to 3,010.86, 4,516.62 and 819.84 is: 1,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.86 : 4,516.62 = 819.84 : x
  2. Step 2: Convert to fraction form
    3,010.86/4,516.62 = 819.84/x
  3. Step 3: Cross multiply
    3,010.86x = 4,516.62 × 819.84
  4. Step 4: Simplify right side
    3,010.86x = 3,702,905.74
  5. Step 5: Solve for x
    x = 3,702,905.74/3,010.86
  6. Step 6: Final answer
    x = 1,229.85

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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.