Home / 3,007.65-4,149.04-2,012.97

Finding the Fourth Proportional to 3,007.65, 4,149.04 and 2,012.97

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Solution

The fourth proportional to 3,007.65, 4,149.04 and 2,012.97 is: 2,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.65 : 4,149.04 = 2,012.97 : x
  2. Step 2: Convert to fraction form
    3,007.65/4,149.04 = 2,012.97/x
  3. Step 3: Cross multiply
    3,007.65x = 4,149.04 × 2,012.97
  4. Step 4: Simplify right side
    3,007.65x = 8,351,893.05
  5. Step 5: Solve for x
    x = 8,351,893.05/3,007.65
  6. Step 6: Final answer
    x = 2,776.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.