Home / 3,415.11-5,122.70-2,252.56

Finding the Fourth Proportional to 3,415.11, 5,122.70 and 2,252.56

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Solution

The fourth proportional to 3,415.11, 5,122.70 and 2,252.56 is: 3,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.11 : 5,122.70 = 2,252.56 : x
  2. Step 2: Convert to fraction form
    3,415.11/5,122.70 = 2,252.56/x
  3. Step 3: Cross multiply
    3,415.11x = 5,122.70 × 2,252.56
  4. Step 4: Simplify right side
    3,415.11x = 11,539,189.11
  5. Step 5: Solve for x
    x = 11,539,189.11/3,415.11
  6. Step 6: Final answer
    x = 3,378.86

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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.