Home / 3,020.60-4,168.14-1,694

Finding the Fourth Proportional to 3,020.60, 4,168.14 and 1,694

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Solution

The fourth proportional to 3,020.60, 4,168.14 and 1,694 is: 2,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.60 : 4,168.14 = 1,694 : x
  2. Step 2: Convert to fraction form
    3,020.60/4,168.14 = 1,694/x
  3. Step 3: Cross multiply
    3,020.60x = 4,168.14 × 1,694
  4. Step 4: Simplify right side
    3,020.60x = 7,060,829.16
  5. Step 5: Solve for x
    x = 7,060,829.16/3,020.60
  6. Step 6: Final answer
    x = 2,337.56

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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.