Home / 2,758.33-3,806.85-1,579.42

Finding the Fourth Proportional to 2,758.33, 3,806.85 and 1,579.42

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Solution

The fourth proportional to 2,758.33, 3,806.85 and 1,579.42 is: 2,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.33 : 3,806.85 = 1,579.42 : x
  2. Step 2: Convert to fraction form
    2,758.33/3,806.85 = 1,579.42/x
  3. Step 3: Cross multiply
    2,758.33x = 3,806.85 × 1,579.42
  4. Step 4: Simplify right side
    2,758.33x = 6,012,615.03
  5. Step 5: Solve for x
    x = 6,012,615.03/2,758.33
  6. Step 6: Final answer
    x = 2,179.80

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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.