Home / 1,981.37-2,733.27-1,608.77

Finding the Fourth Proportional to 1,981.37, 2,733.27 and 1,608.77

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Solution

The fourth proportional to 1,981.37, 2,733.27 and 1,608.77 is: 2,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.37 : 2,733.27 = 1,608.77 : x
  2. Step 2: Convert to fraction form
    1,981.37/2,733.27 = 1,608.77/x
  3. Step 3: Cross multiply
    1,981.37x = 2,733.27 × 1,608.77
  4. Step 4: Simplify right side
    1,981.37x = 4,397,202.78
  5. Step 5: Solve for x
    x = 4,397,202.78/1,981.37
  6. Step 6: Final answer
    x = 2,219.27

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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.