Home / 1,355.82-2,030.41-1,224.34

Finding the Fourth Proportional to 1,355.82, 2,030.41 and 1,224.34

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Solution

The fourth proportional to 1,355.82, 2,030.41 and 1,224.34 is: 1,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.82 : 2,030.41 = 1,224.34 : x
  2. Step 2: Convert to fraction form
    1,355.82/2,030.41 = 1,224.34/x
  3. Step 3: Cross multiply
    1,355.82x = 2,030.41 × 1,224.34
  4. Step 4: Simplify right side
    1,355.82x = 2,485,906.06
  5. Step 5: Solve for x
    x = 2,485,906.06/1,355.82
  6. Step 6: Final answer
    x = 1,833.51

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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.