Home / 2,770.70-3,821.61-1,650.77

Finding the Fourth Proportional to 2,770.70, 3,821.61 and 1,650.77

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Solution

The fourth proportional to 2,770.70, 3,821.61 and 1,650.77 is: 2,276.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.70 : 3,821.61 = 1,650.77 : x
  2. Step 2: Convert to fraction form
    2,770.70/3,821.61 = 1,650.77/x
  3. Step 3: Cross multiply
    2,770.70x = 3,821.61 × 1,650.77
  4. Step 4: Simplify right side
    2,770.70x = 6,308,608.69
  5. Step 5: Solve for x
    x = 6,308,608.69/2,770.70
  6. Step 6: Final answer
    x = 2,276.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.