Home / 3,007.44-4,487.94-2,680.20

Finding the Fourth Proportional to 3,007.44, 4,487.94 and 2,680.20

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Solution

The fourth proportional to 3,007.44, 4,487.94 and 2,680.20 is: 3,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.44 : 4,487.94 = 2,680.20 : x
  2. Step 2: Convert to fraction form
    3,007.44/4,487.94 = 2,680.20/x
  3. Step 3: Cross multiply
    3,007.44x = 4,487.94 × 2,680.20
  4. Step 4: Simplify right side
    3,007.44x = 12,028,576.79
  5. Step 5: Solve for x
    x = 12,028,576.79/3,007.44
  6. Step 6: Final answer
    x = 3,999.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.