Home / 2,608.20-3,893.70-2,517.08

Finding the Fourth Proportional to 2,608.20, 3,893.70 and 2,517.08

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Solution

The fourth proportional to 2,608.20, 3,893.70 and 2,517.08 is: 3,757.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.20 : 3,893.70 = 2,517.08 : x
  2. Step 2: Convert to fraction form
    2,608.20/3,893.70 = 2,517.08/x
  3. Step 3: Cross multiply
    2,608.20x = 3,893.70 × 2,517.08
  4. Step 4: Simplify right side
    2,608.20x = 9,800,754.40
  5. Step 5: Solve for x
    x = 9,800,754.40/2,608.20
  6. Step 6: Final answer
    x = 3,757.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.