Home / 1,193.51-1,791.38-845.85

Finding the Fourth Proportional to 1,193.51, 1,791.38 and 845.85

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Solution

The fourth proportional to 1,193.51, 1,791.38 and 845.85 is: 1,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.51 : 1,791.38 = 845.85 : x
  2. Step 2: Convert to fraction form
    1,193.51/1,791.38 = 845.85/x
  3. Step 3: Cross multiply
    1,193.51x = 1,791.38 × 845.85
  4. Step 4: Simplify right side
    1,193.51x = 1,515,238.77
  5. Step 5: Solve for x
    x = 1,515,238.77/1,193.51
  6. Step 6: Final answer
    x = 1,269.57

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1.5x scale

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.