Home / 2,409.38-3,325-1,361.44

Finding the Fourth Proportional to 2,409.38, 3,325 and 1,361.44

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Solution

The fourth proportional to 2,409.38, 3,325 and 1,361.44 is: 1,878.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.38 : 3,325 = 1,361.44 : x
  2. Step 2: Convert to fraction form
    2,409.38/3,325 = 1,361.44/x
  3. Step 3: Cross multiply
    2,409.38x = 3,325 × 1,361.44
  4. Step 4: Simplify right side
    2,409.38x = 4,526,788
  5. Step 5: Solve for x
    x = 4,526,788/2,409.38
  6. Step 6: Final answer
    x = 1,878.82

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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.