Home / 2,211.73-3,311.75-1,770.93

Finding the Fourth Proportional to 2,211.73, 3,311.75 and 1,770.93

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Solution

The fourth proportional to 2,211.73, 3,311.75 and 1,770.93 is: 2,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.73 : 3,311.75 = 1,770.93 : x
  2. Step 2: Convert to fraction form
    2,211.73/3,311.75 = 1,770.93/x
  3. Step 3: Cross multiply
    2,211.73x = 3,311.75 × 1,770.93
  4. Step 4: Simplify right side
    2,211.73x = 5,864,881.85
  5. Step 5: Solve for x
    x = 5,864,881.85/2,211.73
  6. Step 6: Final answer
    x = 2,651.72

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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.