Home / 3,328.06-4,992.09-1,136.81

Finding the Fourth Proportional to 3,328.06, 4,992.09 and 1,136.81

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Solution

The fourth proportional to 3,328.06, 4,992.09 and 1,136.81 is: 1,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.06 : 4,992.09 = 1,136.81 : x
  2. Step 2: Convert to fraction form
    3,328.06/4,992.09 = 1,136.81/x
  3. Step 3: Cross multiply
    3,328.06x = 4,992.09 × 1,136.81
  4. Step 4: Simplify right side
    3,328.06x = 5,675,028.61
  5. Step 5: Solve for x
    x = 5,675,028.61/3,328.06
  6. Step 6: Final answer
    x = 1,705.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.