Home / 3,288.58-4,532.37-2,489.99

Finding the Fourth Proportional to 3,288.58, 4,532.37 and 2,489.99

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Solution

The fourth proportional to 3,288.58, 4,532.37 and 2,489.99 is: 3,431.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.58 : 4,532.37 = 2,489.99 : x
  2. Step 2: Convert to fraction form
    3,288.58/4,532.37 = 2,489.99/x
  3. Step 3: Cross multiply
    3,288.58x = 4,532.37 × 2,489.99
  4. Step 4: Simplify right side
    3,288.58x = 11,285,576.64
  5. Step 5: Solve for x
    x = 11,285,576.64/3,288.58
  6. Step 6: Final answer
    x = 3,431.75

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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.