Home / 3,942.84-5,441.14-2,371.24

Finding the Fourth Proportional to 3,942.84, 5,441.14 and 2,371.24

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Solution

The fourth proportional to 3,942.84, 5,441.14 and 2,371.24 is: 3,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.84 : 5,441.14 = 2,371.24 : x
  2. Step 2: Convert to fraction form
    3,942.84/5,441.14 = 2,371.24/x
  3. Step 3: Cross multiply
    3,942.84x = 5,441.14 × 2,371.24
  4. Step 4: Simplify right side
    3,942.84x = 12,902,258.58
  5. Step 5: Solve for x
    x = 12,902,258.58/3,942.84
  6. Step 6: Final answer
    x = 3,272.32

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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.