Home / 3,007.26-4,149.94-1,680.97

Finding the Fourth Proportional to 3,007.26, 4,149.94 and 1,680.97

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Solution

The fourth proportional to 3,007.26, 4,149.94 and 1,680.97 is: 2,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.26 : 4,149.94 = 1,680.97 : x
  2. Step 2: Convert to fraction form
    3,007.26/4,149.94 = 1,680.97/x
  3. Step 3: Cross multiply
    3,007.26x = 4,149.94 × 1,680.97
  4. Step 4: Simplify right side
    3,007.26x = 6,975,916.24
  5. Step 5: Solve for x
    x = 6,975,916.24/3,007.26
  6. Step 6: Final answer
    x = 2,319.70

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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.