Home / 3,110.38-4,292.37-1,694.09

Finding the Fourth Proportional to 3,110.38, 4,292.37 and 1,694.09

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Solution

The fourth proportional to 3,110.38, 4,292.37 and 1,694.09 is: 2,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.38 : 4,292.37 = 1,694.09 : x
  2. Step 2: Convert to fraction form
    3,110.38/4,292.37 = 1,694.09/x
  3. Step 3: Cross multiply
    3,110.38x = 4,292.37 × 1,694.09
  4. Step 4: Simplify right side
    3,110.38x = 7,271,685.38
  5. Step 5: Solve for x
    x = 7,271,685.38/3,110.38
  6. Step 6: Final answer
    x = 2,337.88

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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.