Home / 2,792.03-4,189.14-1,231.19

Finding the Fourth Proportional to 2,792.03, 4,189.14 and 1,231.19

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Solution

The fourth proportional to 2,792.03, 4,189.14 and 1,231.19 is: 1,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.03 : 4,189.14 = 1,231.19 : x
  2. Step 2: Convert to fraction form
    2,792.03/4,189.14 = 1,231.19/x
  3. Step 3: Cross multiply
    2,792.03x = 4,189.14 × 1,231.19
  4. Step 4: Simplify right side
    2,792.03x = 5,157,627.28
  5. Step 5: Solve for x
    x = 5,157,627.28/2,792.03
  6. Step 6: Final answer
    x = 1,847.27

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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.