Home / 2,758.00-3,806.37-1,579.45

Finding the Fourth Proportional to 2,758.00, 3,806.37 and 1,579.45

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Solution

The fourth proportional to 2,758.00, 3,806.37 and 1,579.45 is: 2,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.00 : 3,806.37 = 1,579.45 : x
  2. Step 2: Convert to fraction form
    2,758.00/3,806.37 = 1,579.45/x
  3. Step 3: Cross multiply
    2,758.00x = 3,806.37 × 1,579.45
  4. Step 4: Simplify right side
    2,758.00x = 6,011,964.28
  5. Step 5: Solve for x
    x = 6,011,964.28/2,758.00
  6. Step 6: Final answer
    x = 2,179.83

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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.