Home / 2,023.22-3,034.95-636.60

Finding the Fourth Proportional to 2,023.22, 3,034.95 and 636.60

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Solution

The fourth proportional to 2,023.22, 3,034.95 and 636.60 is: 954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,023.22 : 3,034.95 = 636.60 : x
  2. Step 2: Convert to fraction form
    2,023.22/3,034.95 = 636.60/x
  3. Step 3: Cross multiply
    2,023.22x = 3,034.95 × 636.60
  4. Step 4: Simplify right side
    2,023.22x = 1,932,049.17
  5. Step 5: Solve for x
    x = 1,932,049.17/2,023.22
  6. Step 6: Final answer
    x = 954.94

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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.