Home / 3,450.80-5,170.10-3,336.60

Finding the Fourth Proportional to 3,450.80, 5,170.10 and 3,336.60

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Solution

The fourth proportional to 3,450.80, 5,170.10 and 3,336.60 is: 4,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.80 : 5,170.10 = 3,336.60 : x
  2. Step 2: Convert to fraction form
    3,450.80/5,170.10 = 3,336.60/x
  3. Step 3: Cross multiply
    3,450.80x = 5,170.10 × 3,336.60
  4. Step 4: Simplify right side
    3,450.80x = 17,250,555.66
  5. Step 5: Solve for x
    x = 17,250,555.66/3,450.80
  6. Step 6: Final answer
    x = 4,999.00

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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.