Home / 3,149.70-4,723.91-2,993.58

Finding the Fourth Proportional to 3,149.70, 4,723.91 and 2,993.58

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Solution

The fourth proportional to 3,149.70, 4,723.91 and 2,993.58 is: 4,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.70 : 4,723.91 = 2,993.58 : x
  2. Step 2: Convert to fraction form
    3,149.70/4,723.91 = 2,993.58/x
  3. Step 3: Cross multiply
    3,149.70x = 4,723.91 × 2,993.58
  4. Step 4: Simplify right side
    3,149.70x = 14,141,378.88
  5. Step 5: Solve for x
    x = 14,141,378.88/3,149.70
  6. Step 6: Final answer
    x = 4,489.76

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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.