Home / 3,610.65-5,428.32-3,340.11

Finding the Fourth Proportional to 3,610.65, 5,428.32 and 3,340.11

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Solution

The fourth proportional to 3,610.65, 5,428.32 and 3,340.11 is: 5,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.65 : 5,428.32 = 3,340.11 : x
  2. Step 2: Convert to fraction form
    3,610.65/5,428.32 = 3,340.11/x
  3. Step 3: Cross multiply
    3,610.65x = 5,428.32 × 3,340.11
  4. Step 4: Simplify right side
    3,610.65x = 18,131,185.92
  5. Step 5: Solve for x
    x = 18,131,185.92/3,610.65
  6. Step 6: Final answer
    x = 5,021.59

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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.