Home / 3,739.19-5,608.78-1,106.73

Finding the Fourth Proportional to 3,739.19, 5,608.78 and 1,106.73

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Solution

The fourth proportional to 3,739.19, 5,608.78 and 1,106.73 is: 1,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.19 : 5,608.78 = 1,106.73 : x
  2. Step 2: Convert to fraction form
    3,739.19/5,608.78 = 1,106.73/x
  3. Step 3: Cross multiply
    3,739.19x = 5,608.78 × 1,106.73
  4. Step 4: Simplify right side
    3,739.19x = 6,207,405.09
  5. Step 5: Solve for x
    x = 6,207,405.09/3,739.19
  6. Step 6: Final answer
    x = 1,660.09

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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.