Home / 1,081.82-1,622.73-1,029.36

Finding the Fourth Proportional to 1,081.82, 1,622.73 and 1,029.36

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Solution

The fourth proportional to 1,081.82, 1,622.73 and 1,029.36 is: 1,544.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081.82 : 1,622.73 = 1,029.36 : x
  2. Step 2: Convert to fraction form
    1,081.82/1,622.73 = 1,029.36/x
  3. Step 3: Cross multiply
    1,081.82x = 1,622.73 × 1,029.36
  4. Step 4: Simplify right side
    1,081.82x = 1,670,373.35
  5. Step 5: Solve for x
    x = 1,670,373.35/1,081.82
  6. Step 6: Final answer
    x = 1,544.04

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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.