Home / 3,756.61-5,183.77-2,162.85

Finding the Fourth Proportional to 3,756.61, 5,183.77 and 2,162.85

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Solution

The fourth proportional to 3,756.61, 5,183.77 and 2,162.85 is: 2,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.61 : 5,183.77 = 2,162.85 : x
  2. Step 2: Convert to fraction form
    3,756.61/5,183.77 = 2,162.85/x
  3. Step 3: Cross multiply
    3,756.61x = 5,183.77 × 2,162.85
  4. Step 4: Simplify right side
    3,756.61x = 11,211,716.94
  5. Step 5: Solve for x
    x = 11,211,716.94/3,756.61
  6. Step 6: Final answer
    x = 2,984.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.