Home / 3,245.10-4,861.62-2,728.44

Finding the Fourth Proportional to 3,245.10, 4,861.62 and 2,728.44

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Solution

The fourth proportional to 3,245.10, 4,861.62 and 2,728.44 is: 4,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.10 : 4,861.62 = 2,728.44 : x
  2. Step 2: Convert to fraction form
    3,245.10/4,861.62 = 2,728.44/x
  3. Step 3: Cross multiply
    3,245.10x = 4,861.62 × 2,728.44
  4. Step 4: Simplify right side
    3,245.10x = 13,264,638.47
  5. Step 5: Solve for x
    x = 13,264,638.47/3,245.10
  6. Step 6: Final answer
    x = 4,087.59

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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.