Home / 3,365.82-5,047.95-1,285.06

Finding the Fourth Proportional to 3,365.82, 5,047.95 and 1,285.06

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Solution

The fourth proportional to 3,365.82, 5,047.95 and 1,285.06 is: 1,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.82 : 5,047.95 = 1,285.06 : x
  2. Step 2: Convert to fraction form
    3,365.82/5,047.95 = 1,285.06/x
  3. Step 3: Cross multiply
    3,365.82x = 5,047.95 × 1,285.06
  4. Step 4: Simplify right side
    3,365.82x = 6,486,912.20
  5. Step 5: Solve for x
    x = 6,486,912.20/3,365.82
  6. Step 6: Final answer
    x = 1,927.29

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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.