Home / 3,669.15-5,495.22-2,869.68

Finding the Fourth Proportional to 3,669.15, 5,495.22 and 2,869.68

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Solution

The fourth proportional to 3,669.15, 5,495.22 and 2,869.68 is: 4,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.15 : 5,495.22 = 2,869.68 : x
  2. Step 2: Convert to fraction form
    3,669.15/5,495.22 = 2,869.68/x
  3. Step 3: Cross multiply
    3,669.15x = 5,495.22 × 2,869.68
  4. Step 4: Simplify right side
    3,669.15x = 15,769,522.93
  5. Step 5: Solve for x
    x = 15,769,522.93/3,669.15
  6. Step 6: Final answer
    x = 4,297.87

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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.