Home / 2,879.80-4,319.07-1,031.04

Finding the Fourth Proportional to 2,879.80, 4,319.07 and 1,031.04

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Solution

The fourth proportional to 2,879.80, 4,319.07 and 1,031.04 is: 1,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.80 : 4,319.07 = 1,031.04 : x
  2. Step 2: Convert to fraction form
    2,879.80/4,319.07 = 1,031.04/x
  3. Step 3: Cross multiply
    2,879.80x = 4,319.07 × 1,031.04
  4. Step 4: Simplify right side
    2,879.80x = 4,453,107.18
  5. Step 5: Solve for x
    x = 4,453,107.18/2,879.80
  6. Step 6: Final answer
    x = 1,546.33

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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.