Home / 1,940.88-2,675.91-1,586.43

Finding the Fourth Proportional to 1,940.88, 2,675.91 and 1,586.43

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Solution

The fourth proportional to 1,940.88, 2,675.91 and 1,586.43 is: 2,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.88 : 2,675.91 = 1,586.43 : x
  2. Step 2: Convert to fraction form
    1,940.88/2,675.91 = 1,586.43/x
  3. Step 3: Cross multiply
    1,940.88x = 2,675.91 × 1,586.43
  4. Step 4: Simplify right side
    1,940.88x = 4,245,143.90
  5. Step 5: Solve for x
    x = 4,245,143.90/1,940.88
  6. Step 6: Final answer
    x = 2,187.23

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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.