Home / 3,625.80-5,438.34-1,545.24

Finding the Fourth Proportional to 3,625.80, 5,438.34 and 1,545.24

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Solution

The fourth proportional to 3,625.80, 5,438.34 and 1,545.24 is: 2,317.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.80 : 5,438.34 = 1,545.24 : x
  2. Step 2: Convert to fraction form
    3,625.80/5,438.34 = 1,545.24/x
  3. Step 3: Cross multiply
    3,625.80x = 5,438.34 × 1,545.24
  4. Step 4: Simplify right side
    3,625.80x = 8,403,540.50
  5. Step 5: Solve for x
    x = 8,403,540.50/3,625.80
  6. Step 6: Final answer
    x = 2,317.71

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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.