Home / 3,378.05-5,057.96-2,205.14

Finding the Fourth Proportional to 3,378.05, 5,057.96 and 2,205.14

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Solution

The fourth proportional to 3,378.05, 5,057.96 and 2,205.14 is: 3,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.05 : 5,057.96 = 2,205.14 : x
  2. Step 2: Convert to fraction form
    3,378.05/5,057.96 = 2,205.14/x
  3. Step 3: Cross multiply
    3,378.05x = 5,057.96 × 2,205.14
  4. Step 4: Simplify right side
    3,378.05x = 11,153,511.53
  5. Step 5: Solve for x
    x = 11,153,511.53/3,378.05
  6. Step 6: Final answer
    x = 3,301.77

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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.