Home / 2,620.50-3,932.19-1,252.50

Finding the Fourth Proportional to 2,620.50, 3,932.19 and 1,252.50

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Solution

The fourth proportional to 2,620.50, 3,932.19 and 1,252.50 is: 1,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.50 : 3,932.19 = 1,252.50 : x
  2. Step 2: Convert to fraction form
    2,620.50/3,932.19 = 1,252.50/x
  3. Step 3: Cross multiply
    2,620.50x = 3,932.19 × 1,252.50
  4. Step 4: Simplify right side
    2,620.50x = 4,925,067.98
  5. Step 5: Solve for x
    x = 4,925,067.98/2,620.50
  6. Step 6: Final answer
    x = 1,879.44

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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.