Home / 2,760.77-3,811.43-1,819.29

Finding the Fourth Proportional to 2,760.77, 3,811.43 and 1,819.29

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Solution

The fourth proportional to 2,760.77, 3,811.43 and 1,819.29 is: 2,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.77 : 3,811.43 = 1,819.29 : x
  2. Step 2: Convert to fraction form
    2,760.77/3,811.43 = 1,819.29/x
  3. Step 3: Cross multiply
    2,760.77x = 3,811.43 × 1,819.29
  4. Step 4: Simplify right side
    2,760.77x = 6,934,087.39
  5. Step 5: Solve for x
    x = 6,934,087.39/2,760.77
  6. Step 6: Final answer
    x = 2,511.65

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Half scale
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Double scale
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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.