Home / 2,199.22-3,298.94-1,224.60

Finding the Fourth Proportional to 2,199.22, 3,298.94 and 1,224.60

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Solution

The fourth proportional to 2,199.22, 3,298.94 and 1,224.60 is: 1,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.22 : 3,298.94 = 1,224.60 : x
  2. Step 2: Convert to fraction form
    2,199.22/3,298.94 = 1,224.60/x
  3. Step 3: Cross multiply
    2,199.22x = 3,298.94 × 1,224.60
  4. Step 4: Simplify right side
    2,199.22x = 4,039,881.92
  5. Step 5: Solve for x
    x = 4,039,881.92/2,199.22
  6. Step 6: Final answer
    x = 1,836.96

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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.