Home / 3,201.39-4,419.66-2,211.99

Finding the Fourth Proportional to 3,201.39, 4,419.66 and 2,211.99

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Solution

The fourth proportional to 3,201.39, 4,419.66 and 2,211.99 is: 3,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.39 : 4,419.66 = 2,211.99 : x
  2. Step 2: Convert to fraction form
    3,201.39/4,419.66 = 2,211.99/x
  3. Step 3: Cross multiply
    3,201.39x = 4,419.66 × 2,211.99
  4. Step 4: Simplify right side
    3,201.39x = 9,776,252.02
  5. Step 5: Solve for x
    x = 9,776,252.02/3,201.39
  6. Step 6: Final answer
    x = 3,053.75

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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.