Home / 3,659.11-5,043.66-2,861.02

Finding the Fourth Proportional to 3,659.11, 5,043.66 and 2,861.02

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Solution

The fourth proportional to 3,659.11, 5,043.66 and 2,861.02 is: 3,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.11 : 5,043.66 = 2,861.02 : x
  2. Step 2: Convert to fraction form
    3,659.11/5,043.66 = 2,861.02/x
  3. Step 3: Cross multiply
    3,659.11x = 5,043.66 × 2,861.02
  4. Step 4: Simplify right side
    3,659.11x = 14,430,012.13
  5. Step 5: Solve for x
    x = 14,430,012.13/3,659.11
  6. Step 6: Final answer
    x = 3,943.59

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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.