Home / 3,273.21-4,519.80-2,777.49

Finding the Fourth Proportional to 3,273.21, 4,519.80 and 2,777.49

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Solution

The fourth proportional to 3,273.21, 4,519.80 and 2,777.49 is: 3,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.21 : 4,519.80 = 2,777.49 : x
  2. Step 2: Convert to fraction form
    3,273.21/4,519.80 = 2,777.49/x
  3. Step 3: Cross multiply
    3,273.21x = 4,519.80 × 2,777.49
  4. Step 4: Simplify right side
    3,273.21x = 12,553,699.30
  5. Step 5: Solve for x
    x = 12,553,699.30/3,273.21
  6. Step 6: Final answer
    x = 3,835.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.