Home / 3,006.92-4,149.53-1,680.62

Finding the Fourth Proportional to 3,006.92, 4,149.53 and 1,680.62

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Solution

The fourth proportional to 3,006.92, 4,149.53 and 1,680.62 is: 2,319.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.92 : 4,149.53 = 1,680.62 : x
  2. Step 2: Convert to fraction form
    3,006.92/4,149.53 = 1,680.62/x
  3. Step 3: Cross multiply
    3,006.92x = 4,149.53 × 1,680.62
  4. Step 4: Simplify right side
    3,006.92x = 6,973,753.96
  5. Step 5: Solve for x
    x = 6,973,753.96/3,006.92
  6. Step 6: Final answer
    x = 2,319.24

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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.