Home / 2,409.18-3,324.66-1,361.24

Finding the Fourth Proportional to 2,409.18, 3,324.66 and 1,361.24

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Solution

The fourth proportional to 2,409.18, 3,324.66 and 1,361.24 is: 1,878.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.18 : 3,324.66 = 1,361.24 : x
  2. Step 2: Convert to fraction form
    2,409.18/3,324.66 = 1,361.24/x
  3. Step 3: Cross multiply
    2,409.18x = 3,324.66 × 1,361.24
  4. Step 4: Simplify right side
    2,409.18x = 4,525,658.57
  5. Step 5: Solve for x
    x = 4,525,658.57/2,409.18
  6. Step 6: Final answer
    x = 1,878.51

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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.