Home / 3,910.34-5,396.22-2,232.28

Finding the Fourth Proportional to 3,910.34, 5,396.22 and 2,232.28

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Solution

The fourth proportional to 3,910.34, 5,396.22 and 2,232.28 is: 3,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.34 : 5,396.22 = 2,232.28 : x
  2. Step 2: Convert to fraction form
    3,910.34/5,396.22 = 2,232.28/x
  3. Step 3: Cross multiply
    3,910.34x = 5,396.22 × 2,232.28
  4. Step 4: Simplify right side
    3,910.34x = 12,045,873.98
  5. Step 5: Solve for x
    x = 12,045,873.98/3,910.34
  6. Step 6: Final answer
    x = 3,080.52

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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.