Home / 1,942.45-2,908.59-1,782.07

Finding the Fourth Proportional to 1,942.45, 2,908.59 and 1,782.07

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Solution

The fourth proportional to 1,942.45, 2,908.59 and 1,782.07 is: 2,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.45 : 2,908.59 = 1,782.07 : x
  2. Step 2: Convert to fraction form
    1,942.45/2,908.59 = 1,782.07/x
  3. Step 3: Cross multiply
    1,942.45x = 2,908.59 × 1,782.07
  4. Step 4: Simplify right side
    1,942.45x = 5,183,310.98
  5. Step 5: Solve for x
    x = 5,183,310.98/1,942.45
  6. Step 6: Final answer
    x = 2,668.44

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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.