Home / 3,195.99-4,793.21-1,115.70

Finding the Fourth Proportional to 3,195.99, 4,793.21 and 1,115.70

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Solution

The fourth proportional to 3,195.99, 4,793.21 and 1,115.70 is: 1,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.99 : 4,793.21 = 1,115.70 : x
  2. Step 2: Convert to fraction form
    3,195.99/4,793.21 = 1,115.70/x
  3. Step 3: Cross multiply
    3,195.99x = 4,793.21 × 1,115.70
  4. Step 4: Simplify right side
    3,195.99x = 5,347,784.40
  5. Step 5: Solve for x
    x = 5,347,784.40/3,195.99
  6. Step 6: Final answer
    x = 1,673.28

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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.