Home / 3,511.50-5,268.79-1,663.94

Finding the Fourth Proportional to 3,511.50, 5,268.79 and 1,663.94

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Solution

The fourth proportional to 3,511.50, 5,268.79 and 1,663.94 is: 2,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.50 : 5,268.79 = 1,663.94 : x
  2. Step 2: Convert to fraction form
    3,511.50/5,268.79 = 1,663.94/x
  3. Step 3: Cross multiply
    3,511.50x = 5,268.79 × 1,663.94
  4. Step 4: Simplify right side
    3,511.50x = 8,766,919.93
  5. Step 5: Solve for x
    x = 8,766,919.93/3,511.50
  6. Step 6: Final answer
    x = 2,496.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.