Home / 3,623.73-4,999.89-2,131.71

Finding the Fourth Proportional to 3,623.73, 4,999.89 and 2,131.71

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Solution

The fourth proportional to 3,623.73, 4,999.89 and 2,131.71 is: 2,941.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.73 : 4,999.89 = 2,131.71 : x
  2. Step 2: Convert to fraction form
    3,623.73/4,999.89 = 2,131.71/x
  3. Step 3: Cross multiply
    3,623.73x = 4,999.89 × 2,131.71
  4. Step 4: Simplify right side
    3,623.73x = 10,658,315.51
  5. Step 5: Solve for x
    x = 10,658,315.51/3,623.73
  6. Step 6: Final answer
    x = 2,941.26

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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.