Home / 2,843.43-3,924.24-1,665.49

Finding the Fourth Proportional to 2,843.43, 3,924.24 and 1,665.49

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Solution

The fourth proportional to 2,843.43, 3,924.24 and 1,665.49 is: 2,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.43 : 3,924.24 = 1,665.49 : x
  2. Step 2: Convert to fraction form
    2,843.43/3,924.24 = 1,665.49/x
  3. Step 3: Cross multiply
    2,843.43x = 3,924.24 × 1,665.49
  4. Step 4: Simplify right side
    2,843.43x = 6,535,782.48
  5. Step 5: Solve for x
    x = 6,535,782.48/2,843.43
  6. Step 6: Final answer
    x = 2,298.56

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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.