Home / 2,794.87-4,190.70-1,149.46

Finding the Fourth Proportional to 2,794.87, 4,190.70 and 1,149.46

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Solution

The fourth proportional to 2,794.87, 4,190.70 and 1,149.46 is: 1,723.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.87 : 4,190.70 = 1,149.46 : x
  2. Step 2: Convert to fraction form
    2,794.87/4,190.70 = 1,149.46/x
  3. Step 3: Cross multiply
    2,794.87x = 4,190.70 × 1,149.46
  4. Step 4: Simplify right side
    2,794.87x = 4,817,035.86
  5. Step 5: Solve for x
    x = 4,817,035.86/2,794.87
  6. Step 6: Final answer
    x = 1,723.53

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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.