Home / 3,273.48-4,906.52-1,421.80

Finding the Fourth Proportional to 3,273.48, 4,906.52 and 1,421.80

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Solution

The fourth proportional to 3,273.48, 4,906.52 and 1,421.80 is: 2,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.48 : 4,906.52 = 1,421.80 : x
  2. Step 2: Convert to fraction form
    3,273.48/4,906.52 = 1,421.80/x
  3. Step 3: Cross multiply
    3,273.48x = 4,906.52 × 1,421.80
  4. Step 4: Simplify right side
    3,273.48x = 6,976,090.14
  5. Step 5: Solve for x
    x = 6,976,090.14/3,273.48
  6. Step 6: Final answer
    x = 2,131.09

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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.