Home / 3,755.59-5,631-1,999.51

Finding the Fourth Proportional to 3,755.59, 5,631 and 1,999.51

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Solution

The fourth proportional to 3,755.59, 5,631 and 1,999.51 is: 2,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.59 : 5,631 = 1,999.51 : x
  2. Step 2: Convert to fraction form
    3,755.59/5,631 = 1,999.51/x
  3. Step 3: Cross multiply
    3,755.59x = 5,631 × 1,999.51
  4. Step 4: Simplify right side
    3,755.59x = 11,259,240.81
  5. Step 5: Solve for x
    x = 11,259,240.81/3,755.59
  6. Step 6: Final answer
    x = 2,998.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.