Home / 3,194.20-4,791.14-1,113.56

Finding the Fourth Proportional to 3,194.20, 4,791.14 and 1,113.56

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Solution

The fourth proportional to 3,194.20, 4,791.14 and 1,113.56 is: 1,670.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.20 : 4,791.14 = 1,113.56 : x
  2. Step 2: Convert to fraction form
    3,194.20/4,791.14 = 1,113.56/x
  3. Step 3: Cross multiply
    3,194.20x = 4,791.14 × 1,113.56
  4. Step 4: Simplify right side
    3,194.20x = 5,335,221.86
  5. Step 5: Solve for x
    x = 5,335,221.86/3,194.20
  6. Step 6: Final answer
    x = 1,670.28

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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.