Home / 2,793.50-4,190.76-1,149.15

Finding the Fourth Proportional to 2,793.50, 4,190.76 and 1,149.15

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Solution

The fourth proportional to 2,793.50, 4,190.76 and 1,149.15 is: 1,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.50 : 4,190.76 = 1,149.15 : x
  2. Step 2: Convert to fraction form
    2,793.50/4,190.76 = 1,149.15/x
  3. Step 3: Cross multiply
    2,793.50x = 4,190.76 × 1,149.15
  4. Step 4: Simplify right side
    2,793.50x = 4,815,811.85
  5. Step 5: Solve for x
    x = 4,815,811.85/2,793.50
  6. Step 6: Final answer
    x = 1,723.93

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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.