Home / 2,821.73-4,224.09-1,519.25

Finding the Fourth Proportional to 2,821.73, 4,224.09 and 1,519.25

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Solution

The fourth proportional to 2,821.73, 4,224.09 and 1,519.25 is: 2,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.73 : 4,224.09 = 1,519.25 : x
  2. Step 2: Convert to fraction form
    2,821.73/4,224.09 = 1,519.25/x
  3. Step 3: Cross multiply
    2,821.73x = 4,224.09 × 1,519.25
  4. Step 4: Simplify right side
    2,821.73x = 6,417,448.73
  5. Step 5: Solve for x
    x = 6,417,448.73/2,821.73
  6. Step 6: Final answer
    x = 2,274.30

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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.