Home / 3,635.67-5,015.97-2,143.27

Finding the Fourth Proportional to 3,635.67, 5,015.97 and 2,143.27

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Solution

The fourth proportional to 3,635.67, 5,015.97 and 2,143.27 is: 2,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.67 : 5,015.97 = 2,143.27 : x
  2. Step 2: Convert to fraction form
    3,635.67/5,015.97 = 2,143.27/x
  3. Step 3: Cross multiply
    3,635.67x = 5,015.97 × 2,143.27
  4. Step 4: Simplify right side
    3,635.67x = 10,750,564.84
  5. Step 5: Solve for x
    x = 10,750,564.84/3,635.67
  6. Step 6: Final answer
    x = 2,956.97

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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.