Home / 3,858.42-5,786.58-1,084.92

Finding the Fourth Proportional to 3,858.42, 5,786.58 and 1,084.92

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Solution

The fourth proportional to 3,858.42, 5,786.58 and 1,084.92 is: 1,627.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.42 : 5,786.58 = 1,084.92 : x
  2. Step 2: Convert to fraction form
    3,858.42/5,786.58 = 1,084.92/x
  3. Step 3: Cross multiply
    3,858.42x = 5,786.58 × 1,084.92
  4. Step 4: Simplify right side
    3,858.42x = 6,277,976.37
  5. Step 5: Solve for x
    x = 6,277,976.37/3,858.42
  6. Step 6: Final answer
    x = 1,627.08

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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.