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Finding the Fourth Proportional to 2,795.31, 4,193.22 and 794.00

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Solution

The fourth proportional to 2,795.31, 4,193.22 and 794.00 is: 1,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.31 : 4,193.22 = 794.00 : x
  2. Step 2: Convert to fraction form
    2,795.31/4,193.22 = 794.00/x
  3. Step 3: Cross multiply
    2,795.31x = 4,193.22 × 794.00
  4. Step 4: Simplify right side
    2,795.31x = 3,329,430.14
  5. Step 5: Solve for x
    x = 3,329,430.14/2,795.31
  6. Step 6: Final answer
    x = 1,191.08

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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.