Home / 2,201.05-3,036.61-1,361.48

Finding the Fourth Proportional to 2,201.05, 3,036.61 and 1,361.48

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Solution

The fourth proportional to 2,201.05, 3,036.61 and 1,361.48 is: 1,878.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.05 : 3,036.61 = 1,361.48 : x
  2. Step 2: Convert to fraction form
    2,201.05/3,036.61 = 1,361.48/x
  3. Step 3: Cross multiply
    2,201.05x = 3,036.61 × 1,361.48
  4. Step 4: Simplify right side
    2,201.05x = 4,134,283.78
  5. Step 5: Solve for x
    x = 4,134,283.78/2,201.05
  6. Step 6: Final answer
    x = 1,878.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.