Home / 3,416.22-5,121.99-1,224.90

Finding the Fourth Proportional to 3,416.22, 5,121.99 and 1,224.90

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Solution

The fourth proportional to 3,416.22, 5,121.99 and 1,224.90 is: 1,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.22 : 5,121.99 = 1,224.90 : x
  2. Step 2: Convert to fraction form
    3,416.22/5,121.99 = 1,224.90/x
  3. Step 3: Cross multiply
    3,416.22x = 5,121.99 × 1,224.90
  4. Step 4: Simplify right side
    3,416.22x = 6,273,925.55
  5. Step 5: Solve for x
    x = 6,273,925.55/3,416.22
  6. Step 6: Final answer
    x = 1,836.51

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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.