Home / 3,601.73-5,390.37-2,215.94

Finding the Fourth Proportional to 3,601.73, 5,390.37 and 2,215.94

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Solution

The fourth proportional to 3,601.73, 5,390.37 and 2,215.94 is: 3,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.73 : 5,390.37 = 2,215.94 : x
  2. Step 2: Convert to fraction form
    3,601.73/5,390.37 = 2,215.94/x
  3. Step 3: Cross multiply
    3,601.73x = 5,390.37 × 2,215.94
  4. Step 4: Simplify right side
    3,601.73x = 11,944,709.55
  5. Step 5: Solve for x
    x = 11,944,709.55/3,601.73
  6. Step 6: Final answer
    x = 3,316.39

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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.