Home / 3,025.44-4,531.86-2,921

Finding the Fourth Proportional to 3,025.44, 4,531.86 and 2,921

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Solution

The fourth proportional to 3,025.44, 4,531.86 and 2,921 is: 4,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.44 : 4,531.86 = 2,921 : x
  2. Step 2: Convert to fraction form
    3,025.44/4,531.86 = 2,921/x
  3. Step 3: Cross multiply
    3,025.44x = 4,531.86 × 2,921
  4. Step 4: Simplify right side
    3,025.44x = 13,237,563.06
  5. Step 5: Solve for x
    x = 13,237,563.06/3,025.44
  6. Step 6: Final answer
    x = 4,375.42

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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.