Home / 2,173.22-3,259.88-1,077.29

Finding the Fourth Proportional to 2,173.22, 3,259.88 and 1,077.29

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Solution

The fourth proportional to 2,173.22, 3,259.88 and 1,077.29 is: 1,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.22 : 3,259.88 = 1,077.29 : x
  2. Step 2: Convert to fraction form
    2,173.22/3,259.88 = 1,077.29/x
  3. Step 3: Cross multiply
    2,173.22x = 3,259.88 × 1,077.29
  4. Step 4: Simplify right side
    2,173.22x = 3,511,814.44
  5. Step 5: Solve for x
    x = 3,511,814.44/2,173.22
  6. Step 6: Final answer
    x = 1,615.95

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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.