Home / 3,688.26-5,532.03-1,379.94

Finding the Fourth Proportional to 3,688.26, 5,532.03 and 1,379.94

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Solution

The fourth proportional to 3,688.26, 5,532.03 and 1,379.94 is: 2,069.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.26 : 5,532.03 = 1,379.94 : x
  2. Step 2: Convert to fraction form
    3,688.26/5,532.03 = 1,379.94/x
  3. Step 3: Cross multiply
    3,688.26x = 5,532.03 × 1,379.94
  4. Step 4: Simplify right side
    3,688.26x = 7,633,869.48
  5. Step 5: Solve for x
    x = 7,633,869.48/3,688.26
  6. Step 6: Final answer
    x = 2,069.78

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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.