Home / 3,516.93-5,272.79-2,129.94

Finding the Fourth Proportional to 3,516.93, 5,272.79 and 2,129.94

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Solution

The fourth proportional to 3,516.93, 5,272.79 and 2,129.94 is: 3,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.93 : 5,272.79 = 2,129.94 : x
  2. Step 2: Convert to fraction form
    3,516.93/5,272.79 = 2,129.94/x
  3. Step 3: Cross multiply
    3,516.93x = 5,272.79 × 2,129.94
  4. Step 4: Simplify right side
    3,516.93x = 11,230,726.33
  5. Step 5: Solve for x
    x = 11,230,726.33/3,516.93
  6. Step 6: Final answer
    x = 3,193.33

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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.