Home / 3,910.73-5,396.89-2,232.10

Finding the Fourth Proportional to 3,910.73, 5,396.89 and 2,232.10

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Solution

The fourth proportional to 3,910.73, 5,396.89 and 2,232.10 is: 3,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.73 : 5,396.89 = 2,232.10 : x
  2. Step 2: Convert to fraction form
    3,910.73/5,396.89 = 2,232.10/x
  3. Step 3: Cross multiply
    3,910.73x = 5,396.89 × 2,232.10
  4. Step 4: Simplify right side
    3,910.73x = 12,046,398.17
  5. Step 5: Solve for x
    x = 12,046,398.17/3,910.73
  6. Step 6: Final answer
    x = 3,080.35

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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.