Home / 2,999.46-4,491.90-2,072.55

Finding the Fourth Proportional to 2,999.46, 4,491.90 and 2,072.55

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Solution

The fourth proportional to 2,999.46, 4,491.90 and 2,072.55 is: 3,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.46 : 4,491.90 = 2,072.55 : x
  2. Step 2: Convert to fraction form
    2,999.46/4,491.90 = 2,072.55/x
  3. Step 3: Cross multiply
    2,999.46x = 4,491.90 × 2,072.55
  4. Step 4: Simplify right side
    2,999.46x = 9,309,687.35
  5. Step 5: Solve for x
    x = 9,309,687.35/2,999.46
  6. Step 6: Final answer
    x = 3,103.79

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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.