Home / 3,623.52-5,000.90-2,131.37

Finding the Fourth Proportional to 3,623.52, 5,000.90 and 2,131.37

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Solution

The fourth proportional to 3,623.52, 5,000.90 and 2,131.37 is: 2,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.52 : 5,000.90 = 2,131.37 : x
  2. Step 2: Convert to fraction form
    3,623.52/5,000.90 = 2,131.37/x
  3. Step 3: Cross multiply
    3,623.52x = 5,000.90 × 2,131.37
  4. Step 4: Simplify right side
    3,623.52x = 10,658,768.23
  5. Step 5: Solve for x
    x = 10,658,768.23/3,623.52
  6. Step 6: Final answer
    x = 2,941.55

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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.