Home / 2,942.27-4,060.14-1,615.86

Finding the Fourth Proportional to 2,942.27, 4,060.14 and 1,615.86

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Solution

The fourth proportional to 2,942.27, 4,060.14 and 1,615.86 is: 2,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.27 : 4,060.14 = 1,615.86 : x
  2. Step 2: Convert to fraction form
    2,942.27/4,060.14 = 1,615.86/x
  3. Step 3: Cross multiply
    2,942.27x = 4,060.14 × 1,615.86
  4. Step 4: Simplify right side
    2,942.27x = 6,560,617.82
  5. Step 5: Solve for x
    x = 6,560,617.82/2,942.27
  6. Step 6: Final answer
    x = 2,229.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.