Home / 3,946.36-5,443.60-2,882.82

Finding the Fourth Proportional to 3,946.36, 5,443.60 and 2,882.82

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Solution

The fourth proportional to 3,946.36, 5,443.60 and 2,882.82 is: 3,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.36 : 5,443.60 = 2,882.82 : x
  2. Step 2: Convert to fraction form
    3,946.36/5,443.60 = 2,882.82/x
  3. Step 3: Cross multiply
    3,946.36x = 5,443.60 × 2,882.82
  4. Step 4: Simplify right side
    3,946.36x = 15,692,926.75
  5. Step 5: Solve for x
    x = 15,692,926.75/3,946.36
  6. Step 6: Final answer
    x = 3,976.56

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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.