Home / 3,178.50-4,766.82-1,230.26

Finding the Fourth Proportional to 3,178.50, 4,766.82 and 1,230.26

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Solution

The fourth proportional to 3,178.50, 4,766.82 and 1,230.26 is: 1,845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.50 : 4,766.82 = 1,230.26 : x
  2. Step 2: Convert to fraction form
    3,178.50/4,766.82 = 1,230.26/x
  3. Step 3: Cross multiply
    3,178.50x = 4,766.82 × 1,230.26
  4. Step 4: Simplify right side
    3,178.50x = 5,864,427.97
  5. Step 5: Solve for x
    x = 5,864,427.97/3,178.50
  6. Step 6: Final answer
    x = 1,845.03

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1.5x scale

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.