Home / 3,113.53-4,662.05-2,568.15

Finding the Fourth Proportional to 3,113.53, 4,662.05 and 2,568.15

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Solution

The fourth proportional to 3,113.53, 4,662.05 and 2,568.15 is: 3,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.53 : 4,662.05 = 2,568.15 : x
  2. Step 2: Convert to fraction form
    3,113.53/4,662.05 = 2,568.15/x
  3. Step 3: Cross multiply
    3,113.53x = 4,662.05 × 2,568.15
  4. Step 4: Simplify right side
    3,113.53x = 11,972,826.82
  5. Step 5: Solve for x
    x = 11,972,826.82/3,113.53
  6. Step 6: Final answer
    x = 3,845.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.