Home / 2,213.73-3,055.05-1,219.01

Finding the Fourth Proportional to 2,213.73, 3,055.05 and 1,219.01

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Solution

The fourth proportional to 2,213.73, 3,055.05 and 1,219.01 is: 1,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.73 : 3,055.05 = 1,219.01 : x
  2. Step 2: Convert to fraction form
    2,213.73/3,055.05 = 1,219.01/x
  3. Step 3: Cross multiply
    2,213.73x = 3,055.05 × 1,219.01
  4. Step 4: Simplify right side
    2,213.73x = 3,724,121.23
  5. Step 5: Solve for x
    x = 3,724,121.23/2,213.73
  6. Step 6: Final answer
    x = 1,682.28

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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.