Home / 3,293.75-4,521.17-2,912.37

Finding the Fourth Proportional to 3,293.75, 4,521.17 and 2,912.37

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Solution

The fourth proportional to 3,293.75, 4,521.17 and 2,912.37 is: 3,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.75 : 4,521.17 = 2,912.37 : x
  2. Step 2: Convert to fraction form
    3,293.75/4,521.17 = 2,912.37/x
  3. Step 3: Cross multiply
    3,293.75x = 4,521.17 × 2,912.37
  4. Step 4: Simplify right side
    3,293.75x = 13,167,305.31
  5. Step 5: Solve for x
    x = 13,167,305.31/3,293.75
  6. Step 6: Final answer
    x = 3,997.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.