Home / 2,074.56-3,107.68-1,379.16

Finding the Fourth Proportional to 2,074.56, 3,107.68 and 1,379.16

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Solution

The fourth proportional to 2,074.56, 3,107.68 and 1,379.16 is: 2,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.56 : 3,107.68 = 1,379.16 : x
  2. Step 2: Convert to fraction form
    2,074.56/3,107.68 = 1,379.16/x
  3. Step 3: Cross multiply
    2,074.56x = 3,107.68 × 1,379.16
  4. Step 4: Simplify right side
    2,074.56x = 4,285,987.95
  5. Step 5: Solve for x
    x = 4,285,987.95/2,074.56
  6. Step 6: Final answer
    x = 2,065.97

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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.