Home / 2,745.91-4,111.08-2,486.44

Finding the Fourth Proportional to 2,745.91, 4,111.08 and 2,486.44

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Solution

The fourth proportional to 2,745.91, 4,111.08 and 2,486.44 is: 3,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.91 : 4,111.08 = 2,486.44 : x
  2. Step 2: Convert to fraction form
    2,745.91/4,111.08 = 2,486.44/x
  3. Step 3: Cross multiply
    2,745.91x = 4,111.08 × 2,486.44
  4. Step 4: Simplify right side
    2,745.91x = 10,221,953.76
  5. Step 5: Solve for x
    x = 10,221,953.76/2,745.91
  6. Step 6: Final answer
    x = 3,722.61

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1.5x scale

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.