Home / 2,698.85-3,724.12-1,519.89

Finding the Fourth Proportional to 2,698.85, 3,724.12 and 1,519.89

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Solution

The fourth proportional to 2,698.85, 3,724.12 and 1,519.89 is: 2,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.85 : 3,724.12 = 1,519.89 : x
  2. Step 2: Convert to fraction form
    2,698.85/3,724.12 = 1,519.89/x
  3. Step 3: Cross multiply
    2,698.85x = 3,724.12 × 1,519.89
  4. Step 4: Simplify right side
    2,698.85x = 5,660,252.75
  5. Step 5: Solve for x
    x = 5,660,252.75/2,698.85
  6. Step 6: Final answer
    x = 2,097.28

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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.