Home / 3,012.12-4,519.44-1,623.81

Finding the Fourth Proportional to 3,012.12, 4,519.44 and 1,623.81

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Solution

The fourth proportional to 3,012.12, 4,519.44 and 1,623.81 is: 2,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.12 : 4,519.44 = 1,623.81 : x
  2. Step 2: Convert to fraction form
    3,012.12/4,519.44 = 1,623.81/x
  3. Step 3: Cross multiply
    3,012.12x = 4,519.44 × 1,623.81
  4. Step 4: Simplify right side
    3,012.12x = 7,338,711.87
  5. Step 5: Solve for x
    x = 7,338,711.87/3,012.12
  6. Step 6: Final answer
    x = 2,436.39

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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.