Home / 3,520.26-5,279.31-2,431.62

Finding the Fourth Proportional to 3,520.26, 5,279.31 and 2,431.62

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Solution

The fourth proportional to 3,520.26, 5,279.31 and 2,431.62 is: 3,646.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.26 : 5,279.31 = 2,431.62 : x
  2. Step 2: Convert to fraction form
    3,520.26/5,279.31 = 2,431.62/x
  3. Step 3: Cross multiply
    3,520.26x = 5,279.31 × 2,431.62
  4. Step 4: Simplify right side
    3,520.26x = 12,837,275.78
  5. Step 5: Solve for x
    x = 12,837,275.78/3,520.26
  6. Step 6: Final answer
    x = 3,646.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.