Home / 1,647.12-2,467.17-1,601.22

Finding the Fourth Proportional to 1,647.12, 2,467.17 and 1,601.22

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Solution

The fourth proportional to 1,647.12, 2,467.17 and 1,601.22 is: 2,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.12 : 2,467.17 = 1,601.22 : x
  2. Step 2: Convert to fraction form
    1,647.12/2,467.17 = 1,601.22/x
  3. Step 3: Cross multiply
    1,647.12x = 2,467.17 × 1,601.22
  4. Step 4: Simplify right side
    1,647.12x = 3,950,481.95
  5. Step 5: Solve for x
    x = 3,950,481.95/1,647.12
  6. Step 6: Final answer
    x = 2,398.42

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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.