Home / 2,843.49-3,922.44-1,664.34

Finding the Fourth Proportional to 2,843.49, 3,922.44 and 1,664.34

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Solution

The fourth proportional to 2,843.49, 3,922.44 and 1,664.34 is: 2,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.49 : 3,922.44 = 1,664.34 : x
  2. Step 2: Convert to fraction form
    2,843.49/3,922.44 = 1,664.34/x
  3. Step 3: Cross multiply
    2,843.49x = 3,922.44 × 1,664.34
  4. Step 4: Simplify right side
    2,843.49x = 6,528,252.84
  5. Step 5: Solve for x
    x = 6,528,252.84/2,843.49
  6. Step 6: Final answer
    x = 2,295.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.