Home / 3,821.99-5,273.73-2,143.37

Finding the Fourth Proportional to 3,821.99, 5,273.73 and 2,143.37

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Solution

The fourth proportional to 3,821.99, 5,273.73 and 2,143.37 is: 2,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.99 : 5,273.73 = 2,143.37 : x
  2. Step 2: Convert to fraction form
    3,821.99/5,273.73 = 2,143.37/x
  3. Step 3: Cross multiply
    3,821.99x = 5,273.73 × 2,143.37
  4. Step 4: Simplify right side
    3,821.99x = 11,303,554.67
  5. Step 5: Solve for x
    x = 11,303,554.67/3,821.99
  6. Step 6: Final answer
    x = 2,957.51

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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.