Home / 2,409.22-3,324.72-1,361.28

Finding the Fourth Proportional to 2,409.22, 3,324.72 and 1,361.28

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Solution

The fourth proportional to 2,409.22, 3,324.72 and 1,361.28 is: 1,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.22 : 3,324.72 = 1,361.28 : x
  2. Step 2: Convert to fraction form
    2,409.22/3,324.72 = 1,361.28/x
  3. Step 3: Cross multiply
    2,409.22x = 3,324.72 × 1,361.28
  4. Step 4: Simplify right side
    2,409.22x = 4,525,874.84
  5. Step 5: Solve for x
    x = 4,525,874.84/2,409.22
  6. Step 6: Final answer
    x = 1,878.56

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1.5x scale

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.