Home / 2,770.91-4,146.63-2,150.66

Finding the Fourth Proportional to 2,770.91, 4,146.63 and 2,150.66

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Solution

The fourth proportional to 2,770.91, 4,146.63 and 2,150.66 is: 3,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.91 : 4,146.63 = 2,150.66 : x
  2. Step 2: Convert to fraction form
    2,770.91/4,146.63 = 2,150.66/x
  3. Step 3: Cross multiply
    2,770.91x = 4,146.63 × 2,150.66
  4. Step 4: Simplify right side
    2,770.91x = 8,917,970.54
  5. Step 5: Solve for x
    x = 8,917,970.54/2,770.91
  6. Step 6: Final answer
    x = 3,218.43

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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.