Home / 3,623.35-4,999.03-2,130.73

Finding the Fourth Proportional to 3,623.35, 4,999.03 and 2,130.73

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Solution

The fourth proportional to 3,623.35, 4,999.03 and 2,130.73 is: 2,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.35 : 4,999.03 = 2,130.73 : x
  2. Step 2: Convert to fraction form
    3,623.35/4,999.03 = 2,130.73/x
  3. Step 3: Cross multiply
    3,623.35x = 4,999.03 × 2,130.73
  4. Step 4: Simplify right side
    3,623.35x = 10,651,583.19
  5. Step 5: Solve for x
    x = 10,651,583.19/3,623.35
  6. Step 6: Final answer
    x = 2,939.71

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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.