Home / 1,636.19-2,450.94-1,361.40

Finding the Fourth Proportional to 1,636.19, 2,450.94 and 1,361.40

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Solution

The fourth proportional to 1,636.19, 2,450.94 and 1,361.40 is: 2,039.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.19 : 2,450.94 = 1,361.40 : x
  2. Step 2: Convert to fraction form
    1,636.19/2,450.94 = 1,361.40/x
  3. Step 3: Cross multiply
    1,636.19x = 2,450.94 × 1,361.40
  4. Step 4: Simplify right side
    1,636.19x = 3,336,709.72
  5. Step 5: Solve for x
    x = 3,336,709.72/1,636.19
  6. Step 6: Final answer
    x = 2,039.32

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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.