Home / 3,279.03-4,917.46-1,429.60

Finding the Fourth Proportional to 3,279.03, 4,917.46 and 1,429.60

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Solution

The fourth proportional to 3,279.03, 4,917.46 and 1,429.60 is: 2,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.03 : 4,917.46 = 1,429.60 : x
  2. Step 2: Convert to fraction form
    3,279.03/4,917.46 = 1,429.60/x
  3. Step 3: Cross multiply
    3,279.03x = 4,917.46 × 1,429.60
  4. Step 4: Simplify right side
    3,279.03x = 7,030,000.82
  5. Step 5: Solve for x
    x = 7,030,000.82/3,279.03
  6. Step 6: Final answer
    x = 2,143.93

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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.