Home / 3,289.42-4,539.27-1,797.31

Finding the Fourth Proportional to 3,289.42, 4,539.27 and 1,797.31

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Solution

The fourth proportional to 3,289.42, 4,539.27 and 1,797.31 is: 2,480.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.42 : 4,539.27 = 1,797.31 : x
  2. Step 2: Convert to fraction form
    3,289.42/4,539.27 = 1,797.31/x
  3. Step 3: Cross multiply
    3,289.42x = 4,539.27 × 1,797.31
  4. Step 4: Simplify right side
    3,289.42x = 8,158,475.36
  5. Step 5: Solve for x
    x = 8,158,475.36/3,289.42
  6. Step 6: Final answer
    x = 2,480.22

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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.