Home / 3,669.29-5,503.92-1,479.56

Finding the Fourth Proportional to 3,669.29, 5,503.92 and 1,479.56

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Solution

The fourth proportional to 3,669.29, 5,503.92 and 1,479.56 is: 2,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.29 : 5,503.92 = 1,479.56 : x
  2. Step 2: Convert to fraction form
    3,669.29/5,503.92 = 1,479.56/x
  3. Step 3: Cross multiply
    3,669.29x = 5,503.92 × 1,479.56
  4. Step 4: Simplify right side
    3,669.29x = 8,143,352.36
  5. Step 5: Solve for x
    x = 8,143,352.36/3,669.29
  6. Step 6: Final answer
    x = 2,219.33

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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.