Home / 3,583.61-5,375.09-1,243.56

Finding the Fourth Proportional to 3,583.61, 5,375.09 and 1,243.56

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Solution

The fourth proportional to 3,583.61, 5,375.09 and 1,243.56 is: 1,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.61 : 5,375.09 = 1,243.56 : x
  2. Step 2: Convert to fraction form
    3,583.61/5,375.09 = 1,243.56/x
  3. Step 3: Cross multiply
    3,583.61x = 5,375.09 × 1,243.56
  4. Step 4: Simplify right side
    3,583.61x = 6,684,246.92
  5. Step 5: Solve for x
    x = 6,684,246.92/3,583.61
  6. Step 6: Final answer
    x = 1,865.23

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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.