Home / 3,518.72-5,273.99-1,326.06

Finding the Fourth Proportional to 3,518.72, 5,273.99 and 1,326.06

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Solution

The fourth proportional to 3,518.72, 5,273.99 and 1,326.06 is: 1,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.72 : 5,273.99 = 1,326.06 : x
  2. Step 2: Convert to fraction form
    3,518.72/5,273.99 = 1,326.06/x
  3. Step 3: Cross multiply
    3,518.72x = 5,273.99 × 1,326.06
  4. Step 4: Simplify right side
    3,518.72x = 6,993,627.18
  5. Step 5: Solve for x
    x = 6,993,627.18/3,518.72
  6. Step 6: Final answer
    x = 1,987.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.