Home / 3,073.20-4,211.47-2,777.96

Finding the Fourth Proportional to 3,073.20, 4,211.47 and 2,777.96

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Solution

The fourth proportional to 3,073.20, 4,211.47 and 2,777.96 is: 3,806.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.20 : 4,211.47 = 2,777.96 : x
  2. Step 2: Convert to fraction form
    3,073.20/4,211.47 = 2,777.96/x
  3. Step 3: Cross multiply
    3,073.20x = 4,211.47 × 2,777.96
  4. Step 4: Simplify right side
    3,073.20x = 11,699,295.20
  5. Step 5: Solve for x
    x = 11,699,295.20/3,073.20
  6. Step 6: Final answer
    x = 3,806.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.