Home / 3,686.42-5,529.62-3,035.78

Finding the Fourth Proportional to 3,686.42, 5,529.62 and 3,035.78

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Solution

The fourth proportional to 3,686.42, 5,529.62 and 3,035.78 is: 4,553.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.42 : 5,529.62 = 3,035.78 : x
  2. Step 2: Convert to fraction form
    3,686.42/5,529.62 = 3,035.78/x
  3. Step 3: Cross multiply
    3,686.42x = 5,529.62 × 3,035.78
  4. Step 4: Simplify right side
    3,686.42x = 16,786,694.62
  5. Step 5: Solve for x
    x = 16,786,694.62/3,686.42
  6. Step 6: Final answer
    x = 4,553.66

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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.