Home / 3,861.26-5,327.29-2,182.51

Finding the Fourth Proportional to 3,861.26, 5,327.29 and 2,182.51

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Solution

The fourth proportional to 3,861.26, 5,327.29 and 2,182.51 is: 3,011.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.26 : 5,327.29 = 2,182.51 : x
  2. Step 2: Convert to fraction form
    3,861.26/5,327.29 = 2,182.51/x
  3. Step 3: Cross multiply
    3,861.26x = 5,327.29 × 2,182.51
  4. Step 4: Simplify right side
    3,861.26x = 11,626,844.92
  5. Step 5: Solve for x
    x = 11,626,844.92/3,861.26
  6. Step 6: Final answer
    x = 3,011.15

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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.