Home / 3,716.09-5,579.09-2,157.21

Finding the Fourth Proportional to 3,716.09, 5,579.09 and 2,157.21

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Solution

The fourth proportional to 3,716.09, 5,579.09 and 2,157.21 is: 3,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.09 : 5,579.09 = 2,157.21 : x
  2. Step 2: Convert to fraction form
    3,716.09/5,579.09 = 2,157.21/x
  3. Step 3: Cross multiply
    3,716.09x = 5,579.09 × 2,157.21
  4. Step 4: Simplify right side
    3,716.09x = 12,035,257.95
  5. Step 5: Solve for x
    x = 12,035,257.95/3,716.09
  6. Step 6: Final answer
    x = 3,238.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.