Home / 2,556.39-3,828.24-2,095.32

Finding the Fourth Proportional to 2,556.39, 3,828.24 and 2,095.32

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Solution

The fourth proportional to 2,556.39, 3,828.24 and 2,095.32 is: 3,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.39 : 3,828.24 = 2,095.32 : x
  2. Step 2: Convert to fraction form
    2,556.39/3,828.24 = 2,095.32/x
  3. Step 3: Cross multiply
    2,556.39x = 3,828.24 × 2,095.32
  4. Step 4: Simplify right side
    2,556.39x = 8,021,387.84
  5. Step 5: Solve for x
    x = 8,021,387.84/2,556.39
  6. Step 6: Final answer
    x = 3,137.78

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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.