Home / 3,289.80-4,539.99-1,797.81

Finding the Fourth Proportional to 3,289.80, 4,539.99 and 1,797.81

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Solution

The fourth proportional to 3,289.80, 4,539.99 and 1,797.81 is: 2,481.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.80 : 4,539.99 = 1,797.81 : x
  2. Step 2: Convert to fraction form
    3,289.80/4,539.99 = 1,797.81/x
  3. Step 3: Cross multiply
    3,289.80x = 4,539.99 × 1,797.81
  4. Step 4: Simplify right side
    3,289.80x = 8,162,022.88
  5. Step 5: Solve for x
    x = 8,162,022.88/3,289.80
  6. Step 6: Final answer
    x = 2,481.01

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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.