Home / 2,843.16-3,923.58-1,664.25

Finding the Fourth Proportional to 2,843.16, 3,923.58 and 1,664.25

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Solution

The fourth proportional to 2,843.16, 3,923.58 and 1,664.25 is: 2,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.16 : 3,923.58 = 1,664.25 : x
  2. Step 2: Convert to fraction form
    2,843.16/3,923.58 = 1,664.25/x
  3. Step 3: Cross multiply
    2,843.16x = 3,923.58 × 1,664.25
  4. Step 4: Simplify right side
    2,843.16x = 6,529,826.93
  5. Step 5: Solve for x
    x = 6,529,826.93/2,843.16
  6. Step 6: Final answer
    x = 2,296.68

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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.