Home / 3,241.32-4,861.86-1,293.60

Finding the Fourth Proportional to 3,241.32, 4,861.86 and 1,293.60

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Solution

The fourth proportional to 3,241.32, 4,861.86 and 1,293.60 is: 1,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.32 : 4,861.86 = 1,293.60 : x
  2. Step 2: Convert to fraction form
    3,241.32/4,861.86 = 1,293.60/x
  3. Step 3: Cross multiply
    3,241.32x = 4,861.86 × 1,293.60
  4. Step 4: Simplify right side
    3,241.32x = 6,289,302.10
  5. Step 5: Solve for x
    x = 6,289,302.10/3,241.32
  6. Step 6: Final answer
    x = 1,940.35

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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.