Home / 3,020.57-4,168.63-1,694.36

Finding the Fourth Proportional to 3,020.57, 4,168.63 and 1,694.36

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Solution

The fourth proportional to 3,020.57, 4,168.63 and 1,694.36 is: 2,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.57 : 4,168.63 = 1,694.36 : x
  2. Step 2: Convert to fraction form
    3,020.57/4,168.63 = 1,694.36/x
  3. Step 3: Cross multiply
    3,020.57x = 4,168.63 × 1,694.36
  4. Step 4: Simplify right side
    3,020.57x = 7,063,136.01
  5. Step 5: Solve for x
    x = 7,063,136.01/3,020.57
  6. Step 6: Final answer
    x = 2,338.35

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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.