Home / 1,968.26-2,956.43-1,902.65

Finding the Fourth Proportional to 1,968.26, 2,956.43 and 1,902.65

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Solution

The fourth proportional to 1,968.26, 2,956.43 and 1,902.65 is: 2,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.26 : 2,956.43 = 1,902.65 : x
  2. Step 2: Convert to fraction form
    1,968.26/2,956.43 = 1,902.65/x
  3. Step 3: Cross multiply
    1,968.26x = 2,956.43 × 1,902.65
  4. Step 4: Simplify right side
    1,968.26x = 5,625,027.24
  5. Step 5: Solve for x
    x = 5,625,027.24/1,968.26
  6. Step 6: Final answer
    x = 2,857.88

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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.