Home / 3,716.67-5,128.64-2,145.27

Finding the Fourth Proportional to 3,716.67, 5,128.64 and 2,145.27

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Solution

The fourth proportional to 3,716.67, 5,128.64 and 2,145.27 is: 2,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.67 : 5,128.64 = 2,145.27 : x
  2. Step 2: Convert to fraction form
    3,716.67/5,128.64 = 2,145.27/x
  3. Step 3: Cross multiply
    3,716.67x = 5,128.64 × 2,145.27
  4. Step 4: Simplify right side
    3,716.67x = 11,002,306.81
  5. Step 5: Solve for x
    x = 11,002,306.81/3,716.67
  6. Step 6: Final answer
    x = 2,960.26

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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.