Home / 4,080.29-5,629.88-2,311.97

Finding the Fourth Proportional to 4,080.29, 5,629.88 and 2,311.97

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Solution

The fourth proportional to 4,080.29, 5,629.88 and 2,311.97 is: 3,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.29 : 5,629.88 = 2,311.97 : x
  2. Step 2: Convert to fraction form
    4,080.29/5,629.88 = 2,311.97/x
  3. Step 3: Cross multiply
    4,080.29x = 5,629.88 × 2,311.97
  4. Step 4: Simplify right side
    4,080.29x = 13,016,102.10
  5. Step 5: Solve for x
    x = 13,016,102.10/4,080.29
  6. Step 6: Final answer
    x = 3,189.99

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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.