Home / 3,163.22-4,742.13-1,313.18

Finding the Fourth Proportional to 3,163.22, 4,742.13 and 1,313.18

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Solution

The fourth proportional to 3,163.22, 4,742.13 and 1,313.18 is: 1,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.22 : 4,742.13 = 1,313.18 : x
  2. Step 2: Convert to fraction form
    3,163.22/4,742.13 = 1,313.18/x
  3. Step 3: Cross multiply
    3,163.22x = 4,742.13 × 1,313.18
  4. Step 4: Simplify right side
    3,163.22x = 6,227,246.56
  5. Step 5: Solve for x
    x = 6,227,246.56/3,163.22
  6. Step 6: Final answer
    x = 1,968.64

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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.