Home / 3,841.91-5,301.77-2,163.31

Finding the Fourth Proportional to 3,841.91, 5,301.77 and 2,163.31

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Solution

The fourth proportional to 3,841.91, 5,301.77 and 2,163.31 is: 2,985.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.91 : 5,301.77 = 2,163.31 : x
  2. Step 2: Convert to fraction form
    3,841.91/5,301.77 = 2,163.31/x
  3. Step 3: Cross multiply
    3,841.91x = 5,301.77 × 2,163.31
  4. Step 4: Simplify right side
    3,841.91x = 11,469,347.99
  5. Step 5: Solve for x
    x = 11,469,347.99/3,841.91
  6. Step 6: Final answer
    x = 2,985.33

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1.5x scale

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.