Home / 3,861.07-5,328.25-2,092.68

Finding the Fourth Proportional to 3,861.07, 5,328.25 and 2,092.68

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Solution

The fourth proportional to 3,861.07, 5,328.25 and 2,092.68 is: 2,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.07 : 5,328.25 = 2,092.68 : x
  2. Step 2: Convert to fraction form
    3,861.07/5,328.25 = 2,092.68/x
  3. Step 3: Cross multiply
    3,861.07x = 5,328.25 × 2,092.68
  4. Step 4: Simplify right side
    3,861.07x = 11,150,322.21
  5. Step 5: Solve for x
    x = 11,150,322.21/3,861.07
  6. Step 6: Final answer
    x = 2,887.88

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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.