Home / 3,995.90-5,514.87-2,227.67

Finding the Fourth Proportional to 3,995.90, 5,514.87 and 2,227.67

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Solution

The fourth proportional to 3,995.90, 5,514.87 and 2,227.67 is: 3,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.90 : 5,514.87 = 2,227.67 : x
  2. Step 2: Convert to fraction form
    3,995.90/5,514.87 = 2,227.67/x
  3. Step 3: Cross multiply
    3,995.90x = 5,514.87 × 2,227.67
  4. Step 4: Simplify right side
    3,995.90x = 12,285,271.74
  5. Step 5: Solve for x
    x = 12,285,271.74/3,995.90
  6. Step 6: Final answer
    x = 3,074.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.