Home / 2,738.24-4,103.48-2,119.06

Finding the Fourth Proportional to 2,738.24, 4,103.48 and 2,119.06

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Solution

The fourth proportional to 2,738.24, 4,103.48 and 2,119.06 is: 3,175.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.24 : 4,103.48 = 2,119.06 : x
  2. Step 2: Convert to fraction form
    2,738.24/4,103.48 = 2,119.06/x
  3. Step 3: Cross multiply
    2,738.24x = 4,103.48 × 2,119.06
  4. Step 4: Simplify right side
    2,738.24x = 8,695,530.50
  5. Step 5: Solve for x
    x = 8,695,530.50/2,738.24
  6. Step 6: Final answer
    x = 3,175.59

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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.