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Finding the Fourth Proportional to 3,289.87, 4,539.94 and 1,797.81

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Solution

The fourth proportional to 3,289.87, 4,539.94 and 1,797.81 is: 2,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.87 : 4,539.94 = 1,797.81 : x
  2. Step 2: Convert to fraction form
    3,289.87/4,539.94 = 1,797.81/x
  3. Step 3: Cross multiply
    3,289.87x = 4,539.94 × 1,797.81
  4. Step 4: Simplify right side
    3,289.87x = 8,161,949.53
  5. Step 5: Solve for x
    x = 8,161,949.53/3,289.87
  6. Step 6: Final answer
    x = 2,480.93

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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.