Home / 3,240.60-4,861.91-1,367.34

Finding the Fourth Proportional to 3,240.60, 4,861.91 and 1,367.34

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Solution

The fourth proportional to 3,240.60, 4,861.91 and 1,367.34 is: 2,051.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.60 : 4,861.91 = 1,367.34 : x
  2. Step 2: Convert to fraction form
    3,240.60/4,861.91 = 1,367.34/x
  3. Step 3: Cross multiply
    3,240.60x = 4,861.91 × 1,367.34
  4. Step 4: Simplify right side
    3,240.60x = 6,647,887.44
  5. Step 5: Solve for x
    x = 6,647,887.44/3,240.60
  6. Step 6: Final answer
    x = 2,051.44

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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.