Home / 2,229.26-3,072.96-1,668.88

Finding the Fourth Proportional to 2,229.26, 3,072.96 and 1,668.88

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Solution

The fourth proportional to 2,229.26, 3,072.96 and 1,668.88 is: 2,300.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.26 : 3,072.96 = 1,668.88 : x
  2. Step 2: Convert to fraction form
    2,229.26/3,072.96 = 1,668.88/x
  3. Step 3: Cross multiply
    2,229.26x = 3,072.96 × 1,668.88
  4. Step 4: Simplify right side
    2,229.26x = 5,128,401.48
  5. Step 5: Solve for x
    x = 5,128,401.48/2,229.26
  6. Step 6: Final answer
    x = 2,300.50

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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.