Home / 2,181.24-3,271.86-794.66

Finding the Fourth Proportional to 2,181.24, 3,271.86 and 794.66

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Solution

The fourth proportional to 2,181.24, 3,271.86 and 794.66 is: 1,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.24 : 3,271.86 = 794.66 : x
  2. Step 2: Convert to fraction form
    2,181.24/3,271.86 = 794.66/x
  3. Step 3: Cross multiply
    2,181.24x = 3,271.86 × 794.66
  4. Step 4: Simplify right side
    2,181.24x = 2,599,999.91
  5. Step 5: Solve for x
    x = 2,599,999.91/2,181.24
  6. Step 6: Final answer
    x = 1,191.98

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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.