Home / 1,704.06-2,556.74-1,378.02

Finding the Fourth Proportional to 1,704.06, 2,556.74 and 1,378.02

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Solution

The fourth proportional to 1,704.06, 2,556.74 and 1,378.02 is: 2,067.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.06 : 2,556.74 = 1,378.02 : x
  2. Step 2: Convert to fraction form
    1,704.06/2,556.74 = 1,378.02/x
  3. Step 3: Cross multiply
    1,704.06x = 2,556.74 × 1,378.02
  4. Step 4: Simplify right side
    1,704.06x = 3,523,231.96
  5. Step 5: Solve for x
    x = 3,523,231.96/1,704.06
  6. Step 6: Final answer
    x = 2,067.55

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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.