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Finding the Fourth Proportional to 3,166.80, 4,751.33 and 3,166.80

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Solution

The fourth proportional to 3,166.80, 4,751.33 and 3,166.80 is: 4,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.80 : 4,751.33 = 3,166.80 : x
  2. Step 2: Convert to fraction form
    3,166.80/4,751.33 = 3,166.80/x
  3. Step 3: Cross multiply
    3,166.80x = 4,751.33 × 3,166.80
  4. Step 4: Simplify right side
    3,166.80x = 15,046,496.01
  5. Step 5: Solve for x
    x = 15,046,496.01/3,166.80
  6. Step 6: Final answer
    x = 4,751.33

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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.