Home / 3,087.68-4,620.56-2,255.67

Finding the Fourth Proportional to 3,087.68, 4,620.56 and 2,255.67

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Solution

The fourth proportional to 3,087.68, 4,620.56 and 2,255.67 is: 3,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.68 : 4,620.56 = 2,255.67 : x
  2. Step 2: Convert to fraction form
    3,087.68/4,620.56 = 2,255.67/x
  3. Step 3: Cross multiply
    3,087.68x = 4,620.56 × 2,255.67
  4. Step 4: Simplify right side
    3,087.68x = 10,422,447.30
  5. Step 5: Solve for x
    x = 10,422,447.30/3,087.68
  6. Step 6: Final answer
    x = 3,375.50

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Half scale
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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.