Home / 2,247.94-3,372.21-2,111.25

Finding the Fourth Proportional to 2,247.94, 3,372.21 and 2,111.25

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Solution

The fourth proportional to 2,247.94, 3,372.21 and 2,111.25 is: 3,167.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.94 : 3,372.21 = 2,111.25 : x
  2. Step 2: Convert to fraction form
    2,247.94/3,372.21 = 2,111.25/x
  3. Step 3: Cross multiply
    2,247.94x = 3,372.21 × 2,111.25
  4. Step 4: Simplify right side
    2,247.94x = 7,119,578.36
  5. Step 5: Solve for x
    x = 7,119,578.36/2,247.94
  6. Step 6: Final answer
    x = 3,167.16

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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.