Home / 3,261.60-4,891.80-2,026.80

Finding the Fourth Proportional to 3,261.60, 4,891.80 and 2,026.80

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Solution

The fourth proportional to 3,261.60, 4,891.80 and 2,026.80 is: 3,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.60 : 4,891.80 = 2,026.80 : x
  2. Step 2: Convert to fraction form
    3,261.60/4,891.80 = 2,026.80/x
  3. Step 3: Cross multiply
    3,261.60x = 4,891.80 × 2,026.80
  4. Step 4: Simplify right side
    3,261.60x = 9,914,700.24
  5. Step 5: Solve for x
    x = 9,914,700.24/3,261.60
  6. Step 6: Final answer
    x = 3,039.83

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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.