Home / 3,265.70-4,905.24-2,156.75

Finding the Fourth Proportional to 3,265.70, 4,905.24 and 2,156.75

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Solution

The fourth proportional to 3,265.70, 4,905.24 and 2,156.75 is: 3,239.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.70 : 4,905.24 = 2,156.75 : x
  2. Step 2: Convert to fraction form
    3,265.70/4,905.24 = 2,156.75/x
  3. Step 3: Cross multiply
    3,265.70x = 4,905.24 × 2,156.75
  4. Step 4: Simplify right side
    3,265.70x = 10,579,351.84
  5. Step 5: Solve for x
    x = 10,579,351.84/3,265.70
  6. Step 6: Final answer
    x = 3,239.54

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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.