Home / 3,694.45-5,537.78-1,228.61

Finding the Fourth Proportional to 3,694.45, 5,537.78 and 1,228.61

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Solution

The fourth proportional to 3,694.45, 5,537.78 and 1,228.61 is: 1,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.45 : 5,537.78 = 1,228.61 : x
  2. Step 2: Convert to fraction form
    3,694.45/5,537.78 = 1,228.61/x
  3. Step 3: Cross multiply
    3,694.45x = 5,537.78 × 1,228.61
  4. Step 4: Simplify right side
    3,694.45x = 6,803,771.89
  5. Step 5: Solve for x
    x = 6,803,771.89/3,694.45
  6. Step 6: Final answer
    x = 1,841.62

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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.