Home / 3,623.87-5,436.88-2,083.79

Finding the Fourth Proportional to 3,623.87, 5,436.88 and 2,083.79

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Solution

The fourth proportional to 3,623.87, 5,436.88 and 2,083.79 is: 3,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.87 : 5,436.88 = 2,083.79 : x
  2. Step 2: Convert to fraction form
    3,623.87/5,436.88 = 2,083.79/x
  3. Step 3: Cross multiply
    3,623.87x = 5,436.88 × 2,083.79
  4. Step 4: Simplify right side
    3,623.87x = 11,329,291.60
  5. Step 5: Solve for x
    x = 11,329,291.60/3,623.87
  6. Step 6: Final answer
    x = 3,126.30

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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.