Home / 3,322.65-4,976.28-2,021.79

Finding the Fourth Proportional to 3,322.65, 4,976.28 and 2,021.79

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Solution

The fourth proportional to 3,322.65, 4,976.28 and 2,021.79 is: 3,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.65 : 4,976.28 = 2,021.79 : x
  2. Step 2: Convert to fraction form
    3,322.65/4,976.28 = 2,021.79/x
  3. Step 3: Cross multiply
    3,322.65x = 4,976.28 × 2,021.79
  4. Step 4: Simplify right side
    3,322.65x = 10,060,993.14
  5. Step 5: Solve for x
    x = 10,060,993.14/3,322.65
  6. Step 6: Final answer
    x = 3,028.00

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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.