Home / 3,469.60-4,786.68-1,956.82

Finding the Fourth Proportional to 3,469.60, 4,786.68 and 1,956.82

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Solution

The fourth proportional to 3,469.60, 4,786.68 and 1,956.82 is: 2,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.60 : 4,786.68 = 1,956.82 : x
  2. Step 2: Convert to fraction form
    3,469.60/4,786.68 = 1,956.82/x
  3. Step 3: Cross multiply
    3,469.60x = 4,786.68 × 1,956.82
  4. Step 4: Simplify right side
    3,469.60x = 9,366,671.16
  5. Step 5: Solve for x
    x = 9,366,671.16/3,469.60
  6. Step 6: Final answer
    x = 2,699.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.