Home / 2,698.20-3,723.80-1,519.64

Finding the Fourth Proportional to 2,698.20, 3,723.80 and 1,519.64

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Solution

The fourth proportional to 2,698.20, 3,723.80 and 1,519.64 is: 2,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.20 : 3,723.80 = 1,519.64 : x
  2. Step 2: Convert to fraction form
    2,698.20/3,723.80 = 1,519.64/x
  3. Step 3: Cross multiply
    2,698.20x = 3,723.80 × 1,519.64
  4. Step 4: Simplify right side
    2,698.20x = 5,658,835.43
  5. Step 5: Solve for x
    x = 5,658,835.43/2,698.20
  6. Step 6: Final answer
    x = 2,097.26

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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.