Home / 2,850.03-4,270.77-1,289.16

Finding the Fourth Proportional to 2,850.03, 4,270.77 and 1,289.16

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Solution

The fourth proportional to 2,850.03, 4,270.77 and 1,289.16 is: 1,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.03 : 4,270.77 = 1,289.16 : x
  2. Step 2: Convert to fraction form
    2,850.03/4,270.77 = 1,289.16/x
  3. Step 3: Cross multiply
    2,850.03x = 4,270.77 × 1,289.16
  4. Step 4: Simplify right side
    2,850.03x = 5,505,705.85
  5. Step 5: Solve for x
    x = 5,505,705.85/2,850.03
  6. Step 6: Final answer
    x = 1,931.81

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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.