Home / 2,194.60-3,028.51-1,199.86

Finding the Fourth Proportional to 2,194.60, 3,028.51 and 1,199.86

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Solution

The fourth proportional to 2,194.60, 3,028.51 and 1,199.86 is: 1,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.60 : 3,028.51 = 1,199.86 : x
  2. Step 2: Convert to fraction form
    2,194.60/3,028.51 = 1,199.86/x
  3. Step 3: Cross multiply
    2,194.60x = 3,028.51 × 1,199.86
  4. Step 4: Simplify right side
    2,194.60x = 3,633,777.44
  5. Step 5: Solve for x
    x = 3,633,777.44/2,194.60
  6. Step 6: Final answer
    x = 1,655.78

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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.