Home / 3,146.82-4,716.19-1,299.23

Finding the Fourth Proportional to 3,146.82, 4,716.19 and 1,299.23

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Solution

The fourth proportional to 3,146.82, 4,716.19 and 1,299.23 is: 1,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.82 : 4,716.19 = 1,299.23 : x
  2. Step 2: Convert to fraction form
    3,146.82/4,716.19 = 1,299.23/x
  3. Step 3: Cross multiply
    3,146.82x = 4,716.19 × 1,299.23
  4. Step 4: Simplify right side
    3,146.82x = 6,127,415.53
  5. Step 5: Solve for x
    x = 6,127,415.53/3,146.82
  6. Step 6: Final answer
    x = 1,947.18

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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.