Home / 2,650.11-3,976.58-1,556.61

Finding the Fourth Proportional to 2,650.11, 3,976.58 and 1,556.61

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Solution

The fourth proportional to 2,650.11, 3,976.58 and 1,556.61 is: 2,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.11 : 3,976.58 = 1,556.61 : x
  2. Step 2: Convert to fraction form
    2,650.11/3,976.58 = 1,556.61/x
  3. Step 3: Cross multiply
    2,650.11x = 3,976.58 × 1,556.61
  4. Step 4: Simplify right side
    2,650.11x = 6,189,984.19
  5. Step 5: Solve for x
    x = 6,189,984.19/2,650.11
  6. Step 6: Final answer
    x = 2,335.75

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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.