Home / 3,020.66-4,168.51-1,694.34

Finding the Fourth Proportional to 3,020.66, 4,168.51 and 1,694.34

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Solution

The fourth proportional to 3,020.66, 4,168.51 and 1,694.34 is: 2,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.66 : 4,168.51 = 1,694.34 : x
  2. Step 2: Convert to fraction form
    3,020.66/4,168.51 = 1,694.34/x
  3. Step 3: Cross multiply
    3,020.66x = 4,168.51 × 1,694.34
  4. Step 4: Simplify right side
    3,020.66x = 7,062,852.39
  5. Step 5: Solve for x
    x = 7,062,852.39/3,020.66
  6. Step 6: Final answer
    x = 2,338.18

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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.