Home / 2,758.12-3,806.26-1,579.19

Finding the Fourth Proportional to 2,758.12, 3,806.26 and 1,579.19

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Solution

The fourth proportional to 2,758.12, 3,806.26 and 1,579.19 is: 2,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.12 : 3,806.26 = 1,579.19 : x
  2. Step 2: Convert to fraction form
    2,758.12/3,806.26 = 1,579.19/x
  3. Step 3: Cross multiply
    2,758.12x = 3,806.26 × 1,579.19
  4. Step 4: Simplify right side
    2,758.12x = 6,010,784.75
  5. Step 5: Solve for x
    x = 6,010,784.75/2,758.12
  6. Step 6: Final answer
    x = 2,179.30

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1.5x scale

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.