Home / 2,409.20-3,324.68-1,361.26

Finding the Fourth Proportional to 2,409.20, 3,324.68 and 1,361.26

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Solution

The fourth proportional to 2,409.20, 3,324.68 and 1,361.26 is: 1,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.20 : 3,324.68 = 1,361.26 : x
  2. Step 2: Convert to fraction form
    2,409.20/3,324.68 = 1,361.26/x
  3. Step 3: Cross multiply
    2,409.20x = 3,324.68 × 1,361.26
  4. Step 4: Simplify right side
    2,409.20x = 4,525,753.90
  5. Step 5: Solve for x
    x = 4,525,753.90/2,409.20
  6. Step 6: Final answer
    x = 1,878.53

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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.