Home / 3,240.35-4,861.54-1,367.09

Finding the Fourth Proportional to 3,240.35, 4,861.54 and 1,367.09

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Solution

The fourth proportional to 3,240.35, 4,861.54 and 1,367.09 is: 2,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.35 : 4,861.54 = 1,367.09 : x
  2. Step 2: Convert to fraction form
    3,240.35/4,861.54 = 1,367.09/x
  3. Step 3: Cross multiply
    3,240.35x = 4,861.54 × 1,367.09
  4. Step 4: Simplify right side
    3,240.35x = 6,646,162.72
  5. Step 5: Solve for x
    x = 6,646,162.72/3,240.35
  6. Step 6: Final answer
    x = 2,051.06

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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.