Home / 2,770.08-4,155.82-822.22

Finding the Fourth Proportional to 2,770.08, 4,155.82 and 822.22

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Solution

The fourth proportional to 2,770.08, 4,155.82 and 822.22 is: 1,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.08 : 4,155.82 = 822.22 : x
  2. Step 2: Convert to fraction form
    2,770.08/4,155.82 = 822.22/x
  3. Step 3: Cross multiply
    2,770.08x = 4,155.82 × 822.22
  4. Step 4: Simplify right side
    2,770.08x = 3,416,998.32
  5. Step 5: Solve for x
    x = 3,416,998.32/2,770.08
  6. Step 6: Final answer
    x = 1,233.54

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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.