Home / 3,241.12-4,861.44-1,293.76

Finding the Fourth Proportional to 3,241.12, 4,861.44 and 1,293.76

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Solution

The fourth proportional to 3,241.12, 4,861.44 and 1,293.76 is: 1,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.12 : 4,861.44 = 1,293.76 : x
  2. Step 2: Convert to fraction form
    3,241.12/4,861.44 = 1,293.76/x
  3. Step 3: Cross multiply
    3,241.12x = 4,861.44 × 1,293.76
  4. Step 4: Simplify right side
    3,241.12x = 6,289,536.61
  5. Step 5: Solve for x
    x = 6,289,536.61/3,241.12
  6. Step 6: Final answer
    x = 1,940.54

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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.