Home / 3,327.90-4,986.99-1,867.47

Finding the Fourth Proportional to 3,327.90, 4,986.99 and 1,867.47

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Solution

The fourth proportional to 3,327.90, 4,986.99 and 1,867.47 is: 2,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.90 : 4,986.99 = 1,867.47 : x
  2. Step 2: Convert to fraction form
    3,327.90/4,986.99 = 1,867.47/x
  3. Step 3: Cross multiply
    3,327.90x = 4,986.99 × 1,867.47
  4. Step 4: Simplify right side
    3,327.90x = 9,313,054.22
  5. Step 5: Solve for x
    x = 9,313,054.22/3,327.90
  6. Step 6: Final answer
    x = 2,798.48

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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.