Home / 3,103.05-4,657.95-1,255.44

Finding the Fourth Proportional to 3,103.05, 4,657.95 and 1,255.44

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Solution

The fourth proportional to 3,103.05, 4,657.95 and 1,255.44 is: 1,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.05 : 4,657.95 = 1,255.44 : x
  2. Step 2: Convert to fraction form
    3,103.05/4,657.95 = 1,255.44/x
  3. Step 3: Cross multiply
    3,103.05x = 4,657.95 × 1,255.44
  4. Step 4: Simplify right side
    3,103.05x = 5,847,776.75
  5. Step 5: Solve for x
    x = 5,847,776.75/3,103.05
  6. Step 6: Final answer
    x = 1,884.53

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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.