Home / 3,634.43-5,015.48-2,217.81

Finding the Fourth Proportional to 3,634.43, 5,015.48 and 2,217.81

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Solution

The fourth proportional to 3,634.43, 5,015.48 and 2,217.81 is: 3,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.43 : 5,015.48 = 2,217.81 : x
  2. Step 2: Convert to fraction form
    3,634.43/5,015.48 = 2,217.81/x
  3. Step 3: Cross multiply
    3,634.43x = 5,015.48 × 2,217.81
  4. Step 4: Simplify right side
    3,634.43x = 11,123,389.42
  5. Step 5: Solve for x
    x = 11,123,389.42/3,634.43
  6. Step 6: Final answer
    x = 3,060.56

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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.