Home / 1,676.14-2,305.42-1,375.20

Finding the Fourth Proportional to 1,676.14, 2,305.42 and 1,375.20

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Solution

The fourth proportional to 1,676.14, 2,305.42 and 1,375.20 is: 1,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.14 : 2,305.42 = 1,375.20 : x
  2. Step 2: Convert to fraction form
    1,676.14/2,305.42 = 1,375.20/x
  3. Step 3: Cross multiply
    1,676.14x = 2,305.42 × 1,375.20
  4. Step 4: Simplify right side
    1,676.14x = 3,170,413.58
  5. Step 5: Solve for x
    x = 3,170,413.58/1,676.14
  6. Step 6: Final answer
    x = 1,891.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.