Home / 3,691.74-5,529.09-2,389.26

Finding the Fourth Proportional to 3,691.74, 5,529.09 and 2,389.26

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Solution

The fourth proportional to 3,691.74, 5,529.09 and 2,389.26 is: 3,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.74 : 5,529.09 = 2,389.26 : x
  2. Step 2: Convert to fraction form
    3,691.74/5,529.09 = 2,389.26/x
  3. Step 3: Cross multiply
    3,691.74x = 5,529.09 × 2,389.26
  4. Step 4: Simplify right side
    3,691.74x = 13,210,433.57
  5. Step 5: Solve for x
    x = 13,210,433.57/3,691.74
  6. Step 6: Final answer
    x = 3,578.38

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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.