Home / 3,289.81-4,539.99-1,797.79

Finding the Fourth Proportional to 3,289.81, 4,539.99 and 1,797.79

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Solution

The fourth proportional to 3,289.81, 4,539.99 and 1,797.79 is: 2,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.81 : 4,539.99 = 1,797.79 : x
  2. Step 2: Convert to fraction form
    3,289.81/4,539.99 = 1,797.79/x
  3. Step 3: Cross multiply
    3,289.81x = 4,539.99 × 1,797.79
  4. Step 4: Simplify right side
    3,289.81x = 8,161,944.01
  5. Step 5: Solve for x
    x = 8,161,944.01/3,289.81
  6. Step 6: Final answer
    x = 2,480.98

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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.