Home / 3,669.19-5,098.61-3,631.09

Finding the Fourth Proportional to 3,669.19, 5,098.61 and 3,631.09

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Solution

The fourth proportional to 3,669.19, 5,098.61 and 3,631.09 is: 5,045.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.19 : 5,098.61 = 3,631.09 : x
  2. Step 2: Convert to fraction form
    3,669.19/5,098.61 = 3,631.09/x
  3. Step 3: Cross multiply
    3,669.19x = 5,098.61 × 3,631.09
  4. Step 4: Simplify right side
    3,669.19x = 18,513,498.77
  5. Step 5: Solve for x
    x = 18,513,498.77/3,669.19
  6. Step 6: Final answer
    x = 5,045.66

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.