Home / 3,716.96-5,128.63-2,522.87

Finding the Fourth Proportional to 3,716.96, 5,128.63 and 2,522.87

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Solution

The fourth proportional to 3,716.96, 5,128.63 and 2,522.87 is: 3,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.96 : 5,128.63 = 2,522.87 : x
  2. Step 2: Convert to fraction form
    3,716.96/5,128.63 = 2,522.87/x
  3. Step 3: Cross multiply
    3,716.96x = 5,128.63 × 2,522.87
  4. Step 4: Simplify right side
    3,716.96x = 12,938,854.05
  5. Step 5: Solve for x
    x = 12,938,854.05/3,716.96
  6. Step 6: Final answer
    x = 3,481.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.