Home / 3,195.44-4,791.33-1,439.76

Finding the Fourth Proportional to 3,195.44, 4,791.33 and 1,439.76

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Solution

The fourth proportional to 3,195.44, 4,791.33 and 1,439.76 is: 2,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.44 : 4,791.33 = 1,439.76 : x
  2. Step 2: Convert to fraction form
    3,195.44/4,791.33 = 1,439.76/x
  3. Step 3: Cross multiply
    3,195.44x = 4,791.33 × 1,439.76
  4. Step 4: Simplify right side
    3,195.44x = 6,898,365.28
  5. Step 5: Solve for x
    x = 6,898,365.28/3,195.44
  6. Step 6: Final answer
    x = 2,158.82

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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.