Home / 3,081.36-4,251.21-1,736.76

Finding the Fourth Proportional to 3,081.36, 4,251.21 and 1,736.76

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Solution

The fourth proportional to 3,081.36, 4,251.21 and 1,736.76 is: 2,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.36 : 4,251.21 = 1,736.76 : x
  2. Step 2: Convert to fraction form
    3,081.36/4,251.21 = 1,736.76/x
  3. Step 3: Cross multiply
    3,081.36x = 4,251.21 × 1,736.76
  4. Step 4: Simplify right side
    3,081.36x = 7,383,331.48
  5. Step 5: Solve for x
    x = 7,383,331.48/3,081.36
  6. Step 6: Final answer
    x = 2,396.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.