Home / 3,528.36-5,286.56-2,137.46

Finding the Fourth Proportional to 3,528.36, 5,286.56 and 2,137.46

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Solution

The fourth proportional to 3,528.36, 5,286.56 and 2,137.46 is: 3,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.36 : 5,286.56 = 2,137.46 : x
  2. Step 2: Convert to fraction form
    3,528.36/5,286.56 = 2,137.46/x
  3. Step 3: Cross multiply
    3,528.36x = 5,286.56 × 2,137.46
  4. Step 4: Simplify right side
    3,528.36x = 11,299,773.42
  5. Step 5: Solve for x
    x = 11,299,773.42/3,528.36
  6. Step 6: Final answer
    x = 3,202.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.