Home / 2,418.80-3,625.32-1,322.96

Finding the Fourth Proportional to 2,418.80, 3,625.32 and 1,322.96

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Solution

The fourth proportional to 2,418.80, 3,625.32 and 1,322.96 is: 1,982.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.80 : 3,625.32 = 1,322.96 : x
  2. Step 2: Convert to fraction form
    2,418.80/3,625.32 = 1,322.96/x
  3. Step 3: Cross multiply
    2,418.80x = 3,625.32 × 1,322.96
  4. Step 4: Simplify right side
    2,418.80x = 4,796,153.35
  5. Step 5: Solve for x
    x = 4,796,153.35/2,418.80
  6. Step 6: Final answer
    x = 1,982.86

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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.