Home / 2,409.37-3,324.98-1,361.45

Finding the Fourth Proportional to 2,409.37, 3,324.98 and 1,361.45

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Solution

The fourth proportional to 2,409.37, 3,324.98 and 1,361.45 is: 1,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.37 : 3,324.98 = 1,361.45 : x
  2. Step 2: Convert to fraction form
    2,409.37/3,324.98 = 1,361.45/x
  3. Step 3: Cross multiply
    2,409.37x = 3,324.98 × 1,361.45
  4. Step 4: Simplify right side
    2,409.37x = 4,526,794.02
  5. Step 5: Solve for x
    x = 4,526,794.02/2,409.37
  6. Step 6: Final answer
    x = 1,878.83

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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.