Home / 2,698.38-3,723.66-1,519.38

Finding the Fourth Proportional to 2,698.38, 3,723.66 and 1,519.38

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Solution

The fourth proportional to 2,698.38, 3,723.66 and 1,519.38 is: 2,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.38 : 3,723.66 = 1,519.38 : x
  2. Step 2: Convert to fraction form
    2,698.38/3,723.66 = 1,519.38/x
  3. Step 3: Cross multiply
    2,698.38x = 3,723.66 × 1,519.38
  4. Step 4: Simplify right side
    2,698.38x = 5,657,654.53
  5. Step 5: Solve for x
    x = 5,657,654.53/2,698.38
  6. Step 6: Final answer
    x = 2,096.69

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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.