Home / 3,208.93-4,428.33-1,811.68

Finding the Fourth Proportional to 3,208.93, 4,428.33 and 1,811.68

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Solution

The fourth proportional to 3,208.93, 4,428.33 and 1,811.68 is: 2,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.93 : 4,428.33 = 1,811.68 : x
  2. Step 2: Convert to fraction form
    3,208.93/4,428.33 = 1,811.68/x
  3. Step 3: Cross multiply
    3,208.93x = 4,428.33 × 1,811.68
  4. Step 4: Simplify right side
    3,208.93x = 8,022,716.89
  5. Step 5: Solve for x
    x = 8,022,716.89/3,208.93
  6. Step 6: Final answer
    x = 2,500.12

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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.