Home / 2,788.57-4,181.23-1,489.33

Finding the Fourth Proportional to 2,788.57, 4,181.23 and 1,489.33

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Solution

The fourth proportional to 2,788.57, 4,181.23 and 1,489.33 is: 2,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.57 : 4,181.23 = 1,489.33 : x
  2. Step 2: Convert to fraction form
    2,788.57/4,181.23 = 1,489.33/x
  3. Step 3: Cross multiply
    2,788.57x = 4,181.23 × 1,489.33
  4. Step 4: Simplify right side
    2,788.57x = 6,227,202.92
  5. Step 5: Solve for x
    x = 6,227,202.92/2,788.57
  6. Step 6: Final answer
    x = 2,233.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.