Home / 3,474.21-4,794.80-1,982.50

Finding the Fourth Proportional to 3,474.21, 4,794.80 and 1,982.50

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Solution

The fourth proportional to 3,474.21, 4,794.80 and 1,982.50 is: 2,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.21 : 4,794.80 = 1,982.50 : x
  2. Step 2: Convert to fraction form
    3,474.21/4,794.80 = 1,982.50/x
  3. Step 3: Cross multiply
    3,474.21x = 4,794.80 × 1,982.50
  4. Step 4: Simplify right side
    3,474.21x = 9,505,691
  5. Step 5: Solve for x
    x = 9,505,691/3,474.21
  6. Step 6: Final answer
    x = 2,736.07

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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.