Home / 2,229.73-3,074.03-1,913.63

Finding the Fourth Proportional to 2,229.73, 3,074.03 and 1,913.63

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Solution

The fourth proportional to 2,229.73, 3,074.03 and 1,913.63 is: 2,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.73 : 3,074.03 = 1,913.63 : x
  2. Step 2: Convert to fraction form
    2,229.73/3,074.03 = 1,913.63/x
  3. Step 3: Cross multiply
    2,229.73x = 3,074.03 × 1,913.63
  4. Step 4: Simplify right side
    2,229.73x = 5,882,532.88
  5. Step 5: Solve for x
    x = 5,882,532.88/2,229.73
  6. Step 6: Final answer
    x = 2,638.23

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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.