Home / 2,343.43-3,512.11-1,109.14

Finding the Fourth Proportional to 2,343.43, 3,512.11 and 1,109.14

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Solution

The fourth proportional to 2,343.43, 3,512.11 and 1,109.14 is: 1,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.43 : 3,512.11 = 1,109.14 : x
  2. Step 2: Convert to fraction form
    2,343.43/3,512.11 = 1,109.14/x
  3. Step 3: Cross multiply
    2,343.43x = 3,512.11 × 1,109.14
  4. Step 4: Simplify right side
    2,343.43x = 3,895,431.97
  5. Step 5: Solve for x
    x = 3,895,431.97/2,343.43
  6. Step 6: Final answer
    x = 1,662.28

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1.5x scale

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.