Home / 2,856.17-3,940.56-1,736.75

Finding the Fourth Proportional to 2,856.17, 3,940.56 and 1,736.75

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Solution

The fourth proportional to 2,856.17, 3,940.56 and 1,736.75 is: 2,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.17 : 3,940.56 = 1,736.75 : x
  2. Step 2: Convert to fraction form
    2,856.17/3,940.56 = 1,736.75/x
  3. Step 3: Cross multiply
    2,856.17x = 3,940.56 × 1,736.75
  4. Step 4: Simplify right side
    2,856.17x = 6,843,747.88
  5. Step 5: Solve for x
    x = 6,843,747.88/2,856.17
  6. Step 6: Final answer
    x = 2,396.13

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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.