Home / 3,624.24-5,000.22-2,131.68

Finding the Fourth Proportional to 3,624.24, 5,000.22 and 2,131.68

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Solution

The fourth proportional to 3,624.24, 5,000.22 and 2,131.68 is: 2,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.24 : 5,000.22 = 2,131.68 : x
  2. Step 2: Convert to fraction form
    3,624.24/5,000.22 = 2,131.68/x
  3. Step 3: Cross multiply
    3,624.24x = 5,000.22 × 2,131.68
  4. Step 4: Simplify right side
    3,624.24x = 10,658,868.97
  5. Step 5: Solve for x
    x = 10,658,868.97/3,624.24
  6. Step 6: Final answer
    x = 2,940.99

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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.