Home / 3,276.26-4,910.40-1,425.20

Finding the Fourth Proportional to 3,276.26, 4,910.40 and 1,425.20

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Solution

The fourth proportional to 3,276.26, 4,910.40 and 1,425.20 is: 2,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.26 : 4,910.40 = 1,425.20 : x
  2. Step 2: Convert to fraction form
    3,276.26/4,910.40 = 1,425.20/x
  3. Step 3: Cross multiply
    3,276.26x = 4,910.40 × 1,425.20
  4. Step 4: Simplify right side
    3,276.26x = 6,998,302.08
  5. Step 5: Solve for x
    x = 6,998,302.08/3,276.26
  6. Step 6: Final answer
    x = 2,136.06

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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.