Home / 2,838.92-3,918.71-1,644.44

Finding the Fourth Proportional to 2,838.92, 3,918.71 and 1,644.44

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Solution

The fourth proportional to 2,838.92, 3,918.71 and 1,644.44 is: 2,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.92 : 3,918.71 = 1,644.44 : x
  2. Step 2: Convert to fraction form
    2,838.92/3,918.71 = 1,644.44/x
  3. Step 3: Cross multiply
    2,838.92x = 3,918.71 × 1,644.44
  4. Step 4: Simplify right side
    2,838.92x = 6,444,067.99
  5. Step 5: Solve for x
    x = 6,444,067.99/2,838.92
  6. Step 6: Final answer
    x = 2,269.91

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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.