Home / 2,768.92-3,819.61-1,706.91

Finding the Fourth Proportional to 2,768.92, 3,819.61 and 1,706.91

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Solution

The fourth proportional to 2,768.92, 3,819.61 and 1,706.91 is: 2,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.92 : 3,819.61 = 1,706.91 : x
  2. Step 2: Convert to fraction form
    2,768.92/3,819.61 = 1,706.91/x
  3. Step 3: Cross multiply
    2,768.92x = 3,819.61 × 1,706.91
  4. Step 4: Simplify right side
    2,768.92x = 6,519,746.96
  5. Step 5: Solve for x
    x = 6,519,746.96/2,768.92
  6. Step 6: Final answer
    x = 2,354.62

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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.