Home / 3,639.20-5,462.62-3,225.38

Finding the Fourth Proportional to 3,639.20, 5,462.62 and 3,225.38

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Solution

The fourth proportional to 3,639.20, 5,462.62 and 3,225.38 is: 4,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.20 : 5,462.62 = 3,225.38 : x
  2. Step 2: Convert to fraction form
    3,639.20/5,462.62 = 3,225.38/x
  3. Step 3: Cross multiply
    3,639.20x = 5,462.62 × 3,225.38
  4. Step 4: Simplify right side
    3,639.20x = 17,618,981.86
  5. Step 5: Solve for x
    x = 17,618,981.86/3,639.20
  6. Step 6: Final answer
    x = 4,841.44

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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.