Home / 2,556.53-3,826.49-2,191.62

Finding the Fourth Proportional to 2,556.53, 3,826.49 and 2,191.62

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Solution

The fourth proportional to 2,556.53, 3,826.49 and 2,191.62 is: 3,280.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.53 : 3,826.49 = 2,191.62 : x
  2. Step 2: Convert to fraction form
    2,556.53/3,826.49 = 2,191.62/x
  3. Step 3: Cross multiply
    2,556.53x = 3,826.49 × 2,191.62
  4. Step 4: Simplify right side
    2,556.53x = 8,386,201.06
  5. Step 5: Solve for x
    x = 8,386,201.06/2,556.53
  6. Step 6: Final answer
    x = 3,280.31

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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.