Home / 2,556.60-3,826.62-1,322.28

Finding the Fourth Proportional to 2,556.60, 3,826.62 and 1,322.28

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Solution

The fourth proportional to 2,556.60, 3,826.62 and 1,322.28 is: 1,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.60 : 3,826.62 = 1,322.28 : x
  2. Step 2: Convert to fraction form
    2,556.60/3,826.62 = 1,322.28/x
  3. Step 3: Cross multiply
    2,556.60x = 3,826.62 × 1,322.28
  4. Step 4: Simplify right side
    2,556.60x = 5,059,863.09
  5. Step 5: Solve for x
    x = 5,059,863.09/2,556.60
  6. Step 6: Final answer
    x = 1,979.14

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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.