Home / 2,770.31-4,151.68-1,469.18

Finding the Fourth Proportional to 2,770.31, 4,151.68 and 1,469.18

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Solution

The fourth proportional to 2,770.31, 4,151.68 and 1,469.18 is: 2,201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.31 : 4,151.68 = 1,469.18 : x
  2. Step 2: Convert to fraction form
    2,770.31/4,151.68 = 1,469.18/x
  3. Step 3: Cross multiply
    2,770.31x = 4,151.68 × 1,469.18
  4. Step 4: Simplify right side
    2,770.31x = 6,099,565.22
  5. Step 5: Solve for x
    x = 6,099,565.22/2,770.31
  6. Step 6: Final answer
    x = 2,201.76

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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.