Home / 3,163.11-4,744.52-1,215.19

Finding the Fourth Proportional to 3,163.11, 4,744.52 and 1,215.19

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Solution

The fourth proportional to 3,163.11, 4,744.52 and 1,215.19 is: 1,822.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.11 : 4,744.52 = 1,215.19 : x
  2. Step 2: Convert to fraction form
    3,163.11/4,744.52 = 1,215.19/x
  3. Step 3: Cross multiply
    3,163.11x = 4,744.52 × 1,215.19
  4. Step 4: Simplify right side
    3,163.11x = 5,765,493.26
  5. Step 5: Solve for x
    x = 5,765,493.26/3,163.11
  6. Step 6: Final answer
    x = 1,822.73

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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.