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Finding the Fourth Proportional to 2,879.37, 4,319.06 and 799.49

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Solution

The fourth proportional to 2,879.37, 4,319.06 and 799.49 is: 1,199.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.37 : 4,319.06 = 799.49 : x
  2. Step 2: Convert to fraction form
    2,879.37/4,319.06 = 799.49/x
  3. Step 3: Cross multiply
    2,879.37x = 4,319.06 × 799.49
  4. Step 4: Simplify right side
    2,879.37x = 3,453,023.68
  5. Step 5: Solve for x
    x = 3,453,023.68/2,879.37
  6. Step 6: Final answer
    x = 1,199.23

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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.