Home / 3,739.64-5,608.78-1,106.60

Finding the Fourth Proportional to 3,739.64, 5,608.78 and 1,106.60

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Solution

The fourth proportional to 3,739.64, 5,608.78 and 1,106.60 is: 1,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.64 : 5,608.78 = 1,106.60 : x
  2. Step 2: Convert to fraction form
    3,739.64/5,608.78 = 1,106.60/x
  3. Step 3: Cross multiply
    3,739.64x = 5,608.78 × 1,106.60
  4. Step 4: Simplify right side
    3,739.64x = 6,206,675.95
  5. Step 5: Solve for x
    x = 6,206,675.95/3,739.64
  6. Step 6: Final answer
    x = 1,659.70

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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.