Home / 2,546.26-3,819.58-879.70

Finding the Fourth Proportional to 2,546.26, 3,819.58 and 879.70

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Solution

The fourth proportional to 2,546.26, 3,819.58 and 879.70 is: 1,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.26 : 3,819.58 = 879.70 : x
  2. Step 2: Convert to fraction form
    2,546.26/3,819.58 = 879.70/x
  3. Step 3: Cross multiply
    2,546.26x = 3,819.58 × 879.70
  4. Step 4: Simplify right side
    2,546.26x = 3,360,072.78
  5. Step 5: Solve for x
    x = 3,360,072.78/2,546.26
  6. Step 6: Final answer
    x = 1,319.61

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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.