Home / 2,409.88-3,324.74-1,361.16

Finding the Fourth Proportional to 2,409.88, 3,324.74 and 1,361.16

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Solution

The fourth proportional to 2,409.88, 3,324.74 and 1,361.16 is: 1,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.88 : 3,324.74 = 1,361.16 : x
  2. Step 2: Convert to fraction form
    2,409.88/3,324.74 = 1,361.16/x
  3. Step 3: Cross multiply
    2,409.88x = 3,324.74 × 1,361.16
  4. Step 4: Simplify right side
    2,409.88x = 4,525,503.10
  5. Step 5: Solve for x
    x = 4,525,503.10/2,409.88
  6. Step 6: Final answer
    x = 1,877.90

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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.