Home / 2,241.28-3,361.90-1,323.22

Finding the Fourth Proportional to 2,241.28, 3,361.90 and 1,323.22

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Solution

The fourth proportional to 2,241.28, 3,361.90 and 1,323.22 is: 1,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.28 : 3,361.90 = 1,323.22 : x
  2. Step 2: Convert to fraction form
    2,241.28/3,361.90 = 1,323.22/x
  3. Step 3: Cross multiply
    2,241.28x = 3,361.90 × 1,323.22
  4. Step 4: Simplify right side
    2,241.28x = 4,448,533.32
  5. Step 5: Solve for x
    x = 4,448,533.32/2,241.28
  6. Step 6: Final answer
    x = 1,984.82

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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.