Home / 2,843.35-3,923.59-1,664.29

Finding the Fourth Proportional to 2,843.35, 3,923.59 and 1,664.29

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Solution

The fourth proportional to 2,843.35, 3,923.59 and 1,664.29 is: 2,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.35 : 3,923.59 = 1,664.29 : x
  2. Step 2: Convert to fraction form
    2,843.35/3,923.59 = 1,664.29/x
  3. Step 3: Cross multiply
    2,843.35x = 3,923.59 × 1,664.29
  4. Step 4: Simplify right side
    2,843.35x = 6,529,991.60
  5. Step 5: Solve for x
    x = 6,529,991.60/2,843.35
  6. Step 6: Final answer
    x = 2,296.58

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1.5x scale

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.