Home / 3,327.80-4,987.70-2,287.80

Finding the Fourth Proportional to 3,327.80, 4,987.70 and 2,287.80

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Solution

The fourth proportional to 3,327.80, 4,987.70 and 2,287.80 is: 3,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.80 : 4,987.70 = 2,287.80 : x
  2. Step 2: Convert to fraction form
    3,327.80/4,987.70 = 2,287.80/x
  3. Step 3: Cross multiply
    3,327.80x = 4,987.70 × 2,287.80
  4. Step 4: Simplify right side
    3,327.80x = 11,410,860.06
  5. Step 5: Solve for x
    x = 11,410,860.06/3,327.80
  6. Step 6: Final answer
    x = 3,428.95

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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.