Home / 1,960.08-2,704.62-1,120.65

Finding the Fourth Proportional to 1,960.08, 2,704.62 and 1,120.65

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Solution

The fourth proportional to 1,960.08, 2,704.62 and 1,120.65 is: 1,546.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960.08 : 2,704.62 = 1,120.65 : x
  2. Step 2: Convert to fraction form
    1,960.08/2,704.62 = 1,120.65/x
  3. Step 3: Cross multiply
    1,960.08x = 2,704.62 × 1,120.65
  4. Step 4: Simplify right side
    1,960.08x = 3,030,932.40
  5. Step 5: Solve for x
    x = 3,030,932.40/1,960.08
  6. Step 6: Final answer
    x = 1,546.33

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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.