Home / 3,104.31-4,650.81-2,772.16

Finding the Fourth Proportional to 3,104.31, 4,650.81 and 2,772.16

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Solution

The fourth proportional to 3,104.31, 4,650.81 and 2,772.16 is: 4,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.31 : 4,650.81 = 2,772.16 : x
  2. Step 2: Convert to fraction form
    3,104.31/4,650.81 = 2,772.16/x
  3. Step 3: Cross multiply
    3,104.31x = 4,650.81 × 2,772.16
  4. Step 4: Simplify right side
    3,104.31x = 12,892,789.45
  5. Step 5: Solve for x
    x = 12,892,789.45/3,104.31
  6. Step 6: Final answer
    x = 4,153.19

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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.