Home / 3,020.60-4,168.42-1,694.31

Finding the Fourth Proportional to 3,020.60, 4,168.42 and 1,694.31

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Solution

The fourth proportional to 3,020.60, 4,168.42 and 1,694.31 is: 2,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.60 : 4,168.42 = 1,694.31 : x
  2. Step 2: Convert to fraction form
    3,020.60/4,168.42 = 1,694.31/x
  3. Step 3: Cross multiply
    3,020.60x = 4,168.42 × 1,694.31
  4. Step 4: Simplify right side
    3,020.60x = 7,062,604.04
  5. Step 5: Solve for x
    x = 7,062,604.04/3,020.60
  6. Step 6: Final answer
    x = 2,338.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.