Home / 3,755.77-5,631.73-2,111.87

Finding the Fourth Proportional to 3,755.77, 5,631.73 and 2,111.87

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Solution

The fourth proportional to 3,755.77, 5,631.73 and 2,111.87 is: 3,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.77 : 5,631.73 = 2,111.87 : x
  2. Step 2: Convert to fraction form
    3,755.77/5,631.73 = 2,111.87/x
  3. Step 3: Cross multiply
    3,755.77x = 5,631.73 × 2,111.87
  4. Step 4: Simplify right side
    3,755.77x = 11,893,490.43
  5. Step 5: Solve for x
    x = 11,893,490.43/3,755.77
  6. Step 6: Final answer
    x = 3,166.73

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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.