Home / 2,843.50-3,923.46-1,664.32

Finding the Fourth Proportional to 2,843.50, 3,923.46 and 1,664.32

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Solution

The fourth proportional to 2,843.50, 3,923.46 and 1,664.32 is: 2,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.50 : 3,923.46 = 1,664.32 : x
  2. Step 2: Convert to fraction form
    2,843.50/3,923.46 = 1,664.32/x
  3. Step 3: Cross multiply
    2,843.50x = 3,923.46 × 1,664.32
  4. Step 4: Simplify right side
    2,843.50x = 6,529,892.95
  5. Step 5: Solve for x
    x = 6,529,892.95/2,843.50
  6. Step 6: Final answer
    x = 2,296.43

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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.