Home / 3,760.88-5,191.25-2,188.67

Finding the Fourth Proportional to 3,760.88, 5,191.25 and 2,188.67

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Solution

The fourth proportional to 3,760.88, 5,191.25 and 2,188.67 is: 3,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.88 : 5,191.25 = 2,188.67 : x
  2. Step 2: Convert to fraction form
    3,760.88/5,191.25 = 2,188.67/x
  3. Step 3: Cross multiply
    3,760.88x = 5,191.25 × 2,188.67
  4. Step 4: Simplify right side
    3,760.88x = 11,361,896.24
  5. Step 5: Solve for x
    x = 11,361,896.24/3,760.88
  6. Step 6: Final answer
    x = 3,021.08

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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.