Home / 1,859.49-2,791.53-1,157.73

Finding the Fourth Proportional to 1,859.49, 2,791.53 and 1,157.73

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Solution

The fourth proportional to 1,859.49, 2,791.53 and 1,157.73 is: 1,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.49 : 2,791.53 = 1,157.73 : x
  2. Step 2: Convert to fraction form
    1,859.49/2,791.53 = 1,157.73/x
  3. Step 3: Cross multiply
    1,859.49x = 2,791.53 × 1,157.73
  4. Step 4: Simplify right side
    1,859.49x = 3,231,838.03
  5. Step 5: Solve for x
    x = 3,231,838.03/1,859.49
  6. Step 6: Final answer
    x = 1,738.02

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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.