Home / 2,770.20-3,822.82-1,591.24

Finding the Fourth Proportional to 2,770.20, 3,822.82 and 1,591.24

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Solution

The fourth proportional to 2,770.20, 3,822.82 and 1,591.24 is: 2,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.20 : 3,822.82 = 1,591.24 : x
  2. Step 2: Convert to fraction form
    2,770.20/3,822.82 = 1,591.24/x
  3. Step 3: Cross multiply
    2,770.20x = 3,822.82 × 1,591.24
  4. Step 4: Simplify right side
    2,770.20x = 6,083,024.10
  5. Step 5: Solve for x
    x = 6,083,024.10/2,770.20
  6. Step 6: Final answer
    x = 2,195.88

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1.5x scale

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.