Home / 3,623.34-5,000.21-2,131.27

Finding the Fourth Proportional to 3,623.34, 5,000.21 and 2,131.27

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Solution

The fourth proportional to 3,623.34, 5,000.21 and 2,131.27 is: 2,941.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.34 : 5,000.21 = 2,131.27 : x
  2. Step 2: Convert to fraction form
    3,623.34/5,000.21 = 2,131.27/x
  3. Step 3: Cross multiply
    3,623.34x = 5,000.21 × 2,131.27
  4. Step 4: Simplify right side
    3,623.34x = 10,656,797.57
  5. Step 5: Solve for x
    x = 10,656,797.57/3,623.34
  6. Step 6: Final answer
    x = 2,941.15

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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.