Home / 3,286.67-4,537.19-2,109.74

Finding the Fourth Proportional to 3,286.67, 4,537.19 and 2,109.74

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Solution

The fourth proportional to 3,286.67, 4,537.19 and 2,109.74 is: 2,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.67 : 4,537.19 = 2,109.74 : x
  2. Step 2: Convert to fraction form
    3,286.67/4,537.19 = 2,109.74/x
  3. Step 3: Cross multiply
    3,286.67x = 4,537.19 × 2,109.74
  4. Step 4: Simplify right side
    3,286.67x = 9,572,273.82
  5. Step 5: Solve for x
    x = 9,572,273.82/3,286.67
  6. Step 6: Final answer
    x = 2,912.46

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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.