Home / 3,623.61-5,000.60-2,131.59

Finding the Fourth Proportional to 3,623.61, 5,000.60 and 2,131.59

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Solution

The fourth proportional to 3,623.61, 5,000.60 and 2,131.59 is: 2,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.61 : 5,000.60 = 2,131.59 : x
  2. Step 2: Convert to fraction form
    3,623.61/5,000.60 = 2,131.59/x
  3. Step 3: Cross multiply
    3,623.61x = 5,000.60 × 2,131.59
  4. Step 4: Simplify right side
    3,623.61x = 10,659,228.95
  5. Step 5: Solve for x
    x = 10,659,228.95/3,623.61
  6. Step 6: Final answer
    x = 2,941.60

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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.