Home / 3,211.68-4,811.63-2,694.99

Finding the Fourth Proportional to 3,211.68, 4,811.63 and 2,694.99

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Solution

The fourth proportional to 3,211.68, 4,811.63 and 2,694.99 is: 4,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.68 : 4,811.63 = 2,694.99 : x
  2. Step 2: Convert to fraction form
    3,211.68/4,811.63 = 2,694.99/x
  3. Step 3: Cross multiply
    3,211.68x = 4,811.63 × 2,694.99
  4. Step 4: Simplify right side
    3,211.68x = 12,967,281.26
  5. Step 5: Solve for x
    x = 12,967,281.26/3,211.68
  6. Step 6: Final answer
    x = 4,037.54

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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.