Home / 3,257.27-4,495.47-1,998.08

Finding the Fourth Proportional to 3,257.27, 4,495.47 and 1,998.08

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Solution

The fourth proportional to 3,257.27, 4,495.47 and 1,998.08 is: 2,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.27 : 4,495.47 = 1,998.08 : x
  2. Step 2: Convert to fraction form
    3,257.27/4,495.47 = 1,998.08/x
  3. Step 3: Cross multiply
    3,257.27x = 4,495.47 × 1,998.08
  4. Step 4: Simplify right side
    3,257.27x = 8,982,308.70
  5. Step 5: Solve for x
    x = 8,982,308.70/3,257.27
  6. Step 6: Final answer
    x = 2,757.62

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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.