Home / 2,245.78-3,361.69-2,054.40

Finding the Fourth Proportional to 2,245.78, 3,361.69 and 2,054.40

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Solution

The fourth proportional to 2,245.78, 3,361.69 and 2,054.40 is: 3,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.78 : 3,361.69 = 2,054.40 : x
  2. Step 2: Convert to fraction form
    2,245.78/3,361.69 = 2,054.40/x
  3. Step 3: Cross multiply
    2,245.78x = 3,361.69 × 2,054.40
  4. Step 4: Simplify right side
    2,245.78x = 6,906,255.94
  5. Step 5: Solve for x
    x = 6,906,255.94/2,245.78
  6. Step 6: Final answer
    x = 3,075.21

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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.