Home / 2,409.93-3,325.59-1,361.79

Finding the Fourth Proportional to 2,409.93, 3,325.59 and 1,361.79

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Solution

The fourth proportional to 2,409.93, 3,325.59 and 1,361.79 is: 1,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.93 : 3,325.59 = 1,361.79 : x
  2. Step 2: Convert to fraction form
    2,409.93/3,325.59 = 1,361.79/x
  3. Step 3: Cross multiply
    2,409.93x = 3,325.59 × 1,361.79
  4. Step 4: Simplify right side
    2,409.93x = 4,528,755.21
  5. Step 5: Solve for x
    x = 4,528,755.21/2,409.93
  6. Step 6: Final answer
    x = 1,879.21

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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.