Home / 2,611.92-3,917.88-1,745.76

Finding the Fourth Proportional to 2,611.92, 3,917.88 and 1,745.76

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Solution

The fourth proportional to 2,611.92, 3,917.88 and 1,745.76 is: 2,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.92 : 3,917.88 = 1,745.76 : x
  2. Step 2: Convert to fraction form
    2,611.92/3,917.88 = 1,745.76/x
  3. Step 3: Cross multiply
    2,611.92x = 3,917.88 × 1,745.76
  4. Step 4: Simplify right side
    2,611.92x = 6,839,678.19
  5. Step 5: Solve for x
    x = 6,839,678.19/2,611.92
  6. Step 6: Final answer
    x = 2,618.64

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.