Home / 3,858.06-5,786.46-1,260.36

Finding the Fourth Proportional to 3,858.06, 5,786.46 and 1,260.36

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Solution

The fourth proportional to 3,858.06, 5,786.46 and 1,260.36 is: 1,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.06 : 5,786.46 = 1,260.36 : x
  2. Step 2: Convert to fraction form
    3,858.06/5,786.46 = 1,260.36/x
  3. Step 3: Cross multiply
    3,858.06x = 5,786.46 × 1,260.36
  4. Step 4: Simplify right side
    3,858.06x = 7,293,022.73
  5. Step 5: Solve for x
    x = 7,293,022.73/3,858.06
  6. Step 6: Final answer
    x = 1,890.33

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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.