Home / 3,049.92-4,206.87-2,817.99

Finding the Fourth Proportional to 3,049.92, 4,206.87 and 2,817.99

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Solution

The fourth proportional to 3,049.92, 4,206.87 and 2,817.99 is: 3,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.92 : 4,206.87 = 2,817.99 : x
  2. Step 2: Convert to fraction form
    3,049.92/4,206.87 = 2,817.99/x
  3. Step 3: Cross multiply
    3,049.92x = 4,206.87 × 2,817.99
  4. Step 4: Simplify right side
    3,049.92x = 11,854,917.59
  5. Step 5: Solve for x
    x = 11,854,917.59/3,049.92
  6. Step 6: Final answer
    x = 3,886.96

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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.