Home / 2,981.01-4,110.96-1,984.56

Finding the Fourth Proportional to 2,981.01, 4,110.96 and 1,984.56

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Solution

The fourth proportional to 2,981.01, 4,110.96 and 1,984.56 is: 2,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.01 : 4,110.96 = 1,984.56 : x
  2. Step 2: Convert to fraction form
    2,981.01/4,110.96 = 1,984.56/x
  3. Step 3: Cross multiply
    2,981.01x = 4,110.96 × 1,984.56
  4. Step 4: Simplify right side
    2,981.01x = 8,158,446.78
  5. Step 5: Solve for x
    x = 8,158,446.78/2,981.01
  6. Step 6: Final answer
    x = 2,736.81

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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.