Home / 3,363.90-5,042.75-1,805.00

Finding the Fourth Proportional to 3,363.90, 5,042.75 and 1,805.00

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Solution

The fourth proportional to 3,363.90, 5,042.75 and 1,805.00 is: 2,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.90 : 5,042.75 = 1,805.00 : x
  2. Step 2: Convert to fraction form
    3,363.90/5,042.75 = 1,805.00/x
  3. Step 3: Cross multiply
    3,363.90x = 5,042.75 × 1,805.00
  4. Step 4: Simplify right side
    3,363.90x = 9,102,129.51
  5. Step 5: Solve for x
    x = 9,102,129.51/3,363.90
  6. Step 6: Final answer
    x = 2,705.83

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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.