Home / 3,619.29-5,424.36-3,084.69

Finding the Fourth Proportional to 3,619.29, 5,424.36 and 3,084.69

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Solution

The fourth proportional to 3,619.29, 5,424.36 and 3,084.69 is: 4,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.29 : 5,424.36 = 3,084.69 : x
  2. Step 2: Convert to fraction form
    3,619.29/5,424.36 = 3,084.69/x
  3. Step 3: Cross multiply
    3,619.29x = 5,424.36 × 3,084.69
  4. Step 4: Simplify right side
    3,619.29x = 16,732,469.05
  5. Step 5: Solve for x
    x = 16,732,469.05/3,619.29
  6. Step 6: Final answer
    x = 4,623.14

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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.