Home / 2,361.09-3,536.22-1,318.80

Finding the Fourth Proportional to 2,361.09, 3,536.22 and 1,318.80

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Solution

The fourth proportional to 2,361.09, 3,536.22 and 1,318.80 is: 1,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.09 : 3,536.22 = 1,318.80 : x
  2. Step 2: Convert to fraction form
    2,361.09/3,536.22 = 1,318.80/x
  3. Step 3: Cross multiply
    2,361.09x = 3,536.22 × 1,318.80
  4. Step 4: Simplify right side
    2,361.09x = 4,663,566.94
  5. Step 5: Solve for x
    x = 4,663,566.94/2,361.09
  6. Step 6: Final answer
    x = 1,975.18

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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.