Home / 3,937.05-5,905.63-1,163.77

Finding the Fourth Proportional to 3,937.05, 5,905.63 and 1,163.77

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Solution

The fourth proportional to 3,937.05, 5,905.63 and 1,163.77 is: 1,745.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.05 : 5,905.63 = 1,163.77 : x
  2. Step 2: Convert to fraction form
    3,937.05/5,905.63 = 1,163.77/x
  3. Step 3: Cross multiply
    3,937.05x = 5,905.63 × 1,163.77
  4. Step 4: Simplify right side
    3,937.05x = 6,872,795.03
  5. Step 5: Solve for x
    x = 6,872,795.03/3,937.05
  6. Step 6: Final answer
    x = 1,745.67

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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.