Home / 3,701.99-5,111.69-2,287.73

Finding the Fourth Proportional to 3,701.99, 5,111.69 and 2,287.73

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Solution

The fourth proportional to 3,701.99, 5,111.69 and 2,287.73 is: 3,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.99 : 5,111.69 = 2,287.73 : x
  2. Step 2: Convert to fraction form
    3,701.99/5,111.69 = 2,287.73/x
  3. Step 3: Cross multiply
    3,701.99x = 5,111.69 × 2,287.73
  4. Step 4: Simplify right side
    3,701.99x = 11,694,129.57
  5. Step 5: Solve for x
    x = 11,694,129.57/3,701.99
  6. Step 6: Final answer
    x = 3,158.88

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Double scale
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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.