Home / 1,186.93-1,771.82-1,133.67

Finding the Fourth Proportional to 1,186.93, 1,771.82 and 1,133.67

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Solution

The fourth proportional to 1,186.93, 1,771.82 and 1,133.67 is: 1,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186.93 : 1,771.82 = 1,133.67 : x
  2. Step 2: Convert to fraction form
    1,186.93/1,771.82 = 1,133.67/x
  3. Step 3: Cross multiply
    1,186.93x = 1,771.82 × 1,133.67
  4. Step 4: Simplify right side
    1,186.93x = 2,008,659.18
  5. Step 5: Solve for x
    x = 2,008,659.18/1,186.93
  6. Step 6: Final answer
    x = 1,692.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.