Home / 2,764.37-4,148.62-2,146.55

Finding the Fourth Proportional to 2,764.37, 4,148.62 and 2,146.55

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Solution

The fourth proportional to 2,764.37, 4,148.62 and 2,146.55 is: 3,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.37 : 4,148.62 = 2,146.55 : x
  2. Step 2: Convert to fraction form
    2,764.37/4,148.62 = 2,146.55/x
  3. Step 3: Cross multiply
    2,764.37x = 4,148.62 × 2,146.55
  4. Step 4: Simplify right side
    2,764.37x = 8,905,194.15
  5. Step 5: Solve for x
    x = 8,905,194.15/2,764.37
  6. Step 6: Final answer
    x = 3,221.42

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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.