Home / 3,163.05-4,742.52-1,313.67

Finding the Fourth Proportional to 3,163.05, 4,742.52 and 1,313.67

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Solution

The fourth proportional to 3,163.05, 4,742.52 and 1,313.67 is: 1,969.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.05 : 4,742.52 = 1,313.67 : x
  2. Step 2: Convert to fraction form
    3,163.05/4,742.52 = 1,313.67/x
  3. Step 3: Cross multiply
    3,163.05x = 4,742.52 × 1,313.67
  4. Step 4: Simplify right side
    3,163.05x = 6,230,103.51
  5. Step 5: Solve for x
    x = 6,230,103.51/3,163.05
  6. Step 6: Final answer
    x = 1,969.65

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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.