Home / 3,634.24-5,015.20-2,142.22

Finding the Fourth Proportional to 3,634.24, 5,015.20 and 2,142.22

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Solution

The fourth proportional to 3,634.24, 5,015.20 and 2,142.22 is: 2,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.24 : 5,015.20 = 2,142.22 : x
  2. Step 2: Convert to fraction form
    3,634.24/5,015.20 = 2,142.22/x
  3. Step 3: Cross multiply
    3,634.24x = 5,015.20 × 2,142.22
  4. Step 4: Simplify right side
    3,634.24x = 10,743,661.74
  5. Step 5: Solve for x
    x = 10,743,661.74/3,634.24
  6. Step 6: Final answer
    x = 2,956.23

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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.