Home / 3,822.36-5,274.44-2,143.42

Finding the Fourth Proportional to 3,822.36, 5,274.44 and 2,143.42

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Solution

The fourth proportional to 3,822.36, 5,274.44 and 2,143.42 is: 2,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.36 : 5,274.44 = 2,143.42 : x
  2. Step 2: Convert to fraction form
    3,822.36/5,274.44 = 2,143.42/x
  3. Step 3: Cross multiply
    3,822.36x = 5,274.44 × 2,143.42
  4. Step 4: Simplify right side
    3,822.36x = 11,305,367.43
  5. Step 5: Solve for x
    x = 11,305,367.43/3,822.36
  6. Step 6: Final answer
    x = 2,957.69

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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.