Home / 1,808.09-2,494.40-1,099.80

Finding the Fourth Proportional to 1,808.09, 2,494.40 and 1,099.80

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Solution

The fourth proportional to 1,808.09, 2,494.40 and 1,099.80 is: 1,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.09 : 2,494.40 = 1,099.80 : x
  2. Step 2: Convert to fraction form
    1,808.09/2,494.40 = 1,099.80/x
  3. Step 3: Cross multiply
    1,808.09x = 2,494.40 × 1,099.80
  4. Step 4: Simplify right side
    1,808.09x = 2,743,339.33
  5. Step 5: Solve for x
    x = 2,743,339.33/1,808.09
  6. Step 6: Final answer
    x = 1,517.26

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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.