Home / 2,177.70-3,266.55-1,922.55

Finding the Fourth Proportional to 2,177.70, 3,266.55 and 1,922.55

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Solution

The fourth proportional to 2,177.70, 3,266.55 and 1,922.55 is: 2,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.70 : 3,266.55 = 1,922.55 : x
  2. Step 2: Convert to fraction form
    2,177.70/3,266.55 = 1,922.55/x
  3. Step 3: Cross multiply
    2,177.70x = 3,266.55 × 1,922.55
  4. Step 4: Simplify right side
    2,177.70x = 6,280,105.70
  5. Step 5: Solve for x
    x = 6,280,105.70/2,177.70
  6. Step 6: Final answer
    x = 2,883.83

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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.