Home / 3,946.14-5,445.52-2,177.73

Finding the Fourth Proportional to 3,946.14, 5,445.52 and 2,177.73

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Solution

The fourth proportional to 3,946.14, 5,445.52 and 2,177.73 is: 3,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.14 : 5,445.52 = 2,177.73 : x
  2. Step 2: Convert to fraction form
    3,946.14/5,445.52 = 2,177.73/x
  3. Step 3: Cross multiply
    3,946.14x = 5,445.52 × 2,177.73
  4. Step 4: Simplify right side
    3,946.14x = 11,858,839.60
  5. Step 5: Solve for x
    x = 11,858,839.60/3,946.14
  6. Step 6: Final answer
    x = 3,005.17

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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.