Home / 3,821.70-5,273.57-2,228.52

Finding the Fourth Proportional to 3,821.70, 5,273.57 and 2,228.52

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Solution

The fourth proportional to 3,821.70, 5,273.57 and 2,228.52 is: 3,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.70 : 5,273.57 = 2,228.52 : x
  2. Step 2: Convert to fraction form
    3,821.70/5,273.57 = 2,228.52/x
  3. Step 3: Cross multiply
    3,821.70x = 5,273.57 × 2,228.52
  4. Step 4: Simplify right side
    3,821.70x = 11,752,245.07
  5. Step 5: Solve for x
    x = 11,752,245.07/3,821.70
  6. Step 6: Final answer
    x = 3,075.14

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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.