Home / 1,839.21-2,757.44-1,795.47

Finding the Fourth Proportional to 1,839.21, 2,757.44 and 1,795.47

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Solution

The fourth proportional to 1,839.21, 2,757.44 and 1,795.47 is: 2,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.21 : 2,757.44 = 1,795.47 : x
  2. Step 2: Convert to fraction form
    1,839.21/2,757.44 = 1,795.47/x
  3. Step 3: Cross multiply
    1,839.21x = 2,757.44 × 1,795.47
  4. Step 4: Simplify right side
    1,839.21x = 4,950,894.95
  5. Step 5: Solve for x
    x = 4,950,894.95/1,839.21
  6. Step 6: Final answer
    x = 2,691.87

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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.