Home / 2,792.37-4,179.90-2,586.43

Finding the Fourth Proportional to 2,792.37, 4,179.90 and 2,586.43

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Solution

The fourth proportional to 2,792.37, 4,179.90 and 2,586.43 is: 3,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.37 : 4,179.90 = 2,586.43 : x
  2. Step 2: Convert to fraction form
    2,792.37/4,179.90 = 2,586.43/x
  3. Step 3: Cross multiply
    2,792.37x = 4,179.90 × 2,586.43
  4. Step 4: Simplify right side
    2,792.37x = 10,811,033.68
  5. Step 5: Solve for x
    x = 10,811,033.68/2,792.37
  6. Step 6: Final answer
    x = 3,871.63

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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.