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Finding the Fourth Proportional to 1,862.23, 2,793.34 and 475.56

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Solution

The fourth proportional to 1,862.23, 2,793.34 and 475.56 is: 713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.23 : 2,793.34 = 475.56 : x
  2. Step 2: Convert to fraction form
    1,862.23/2,793.34 = 475.56/x
  3. Step 3: Cross multiply
    1,862.23x = 2,793.34 × 475.56
  4. Step 4: Simplify right side
    1,862.23x = 1,328,405.97
  5. Step 5: Solve for x
    x = 1,328,405.97/1,862.23
  6. Step 6: Final answer
    x = 713.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.