Home / 3,709.31-5,555.96-3,491.22

Finding the Fourth Proportional to 3,709.31, 5,555.96 and 3,491.22

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Solution

The fourth proportional to 3,709.31, 5,555.96 and 3,491.22 is: 5,229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.31 : 5,555.96 = 3,491.22 : x
  2. Step 2: Convert to fraction form
    3,709.31/5,555.96 = 3,491.22/x
  3. Step 3: Cross multiply
    3,709.31x = 5,555.96 × 3,491.22
  4. Step 4: Simplify right side
    3,709.31x = 19,397,059.62
  5. Step 5: Solve for x
    x = 19,397,059.62/3,709.31
  6. Step 6: Final answer
    x = 5,229.29

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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.