Home / 3,708.82-5,118.64-2,217.56

Finding the Fourth Proportional to 3,708.82, 5,118.64 and 2,217.56

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Solution

The fourth proportional to 3,708.82, 5,118.64 and 2,217.56 is: 3,060.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.82 : 5,118.64 = 2,217.56 : x
  2. Step 2: Convert to fraction form
    3,708.82/5,118.64 = 2,217.56/x
  3. Step 3: Cross multiply
    3,708.82x = 5,118.64 × 2,217.56
  4. Step 4: Simplify right side
    3,708.82x = 11,350,867.43
  5. Step 5: Solve for x
    x = 11,350,867.43/3,708.82
  6. Step 6: Final answer
    x = 3,060.51

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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.