Home / 2,636.42-3,954.32-1,768.90

Finding the Fourth Proportional to 2,636.42, 3,954.32 and 1,768.90

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Solution

The fourth proportional to 2,636.42, 3,954.32 and 1,768.90 is: 2,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.42 : 3,954.32 = 1,768.90 : x
  2. Step 2: Convert to fraction form
    2,636.42/3,954.32 = 1,768.90/x
  3. Step 3: Cross multiply
    2,636.42x = 3,954.32 × 1,768.90
  4. Step 4: Simplify right side
    2,636.42x = 6,994,796.65
  5. Step 5: Solve for x
    x = 6,994,796.65/2,636.42
  6. Step 6: Final answer
    x = 2,653.14

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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.