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Finding the Fourth Proportional to 2,798.06, 4,197.10 and 850.16

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Solution

The fourth proportional to 2,798.06, 4,197.10 and 850.16 is: 1,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.06 : 4,197.10 = 850.16 : x
  2. Step 2: Convert to fraction form
    2,798.06/4,197.10 = 850.16/x
  3. Step 3: Cross multiply
    2,798.06x = 4,197.10 × 850.16
  4. Step 4: Simplify right side
    2,798.06x = 3,568,206.54
  5. Step 5: Solve for x
    x = 3,568,206.54/2,798.06
  6. Step 6: Final answer
    x = 1,275.24

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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.