Home / 3,218.99-4,826.62-1,716.15

Finding the Fourth Proportional to 3,218.99, 4,826.62 and 1,716.15

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Solution

The fourth proportional to 3,218.99, 4,826.62 and 1,716.15 is: 2,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.99 : 4,826.62 = 1,716.15 : x
  2. Step 2: Convert to fraction form
    3,218.99/4,826.62 = 1,716.15/x
  3. Step 3: Cross multiply
    3,218.99x = 4,826.62 × 1,716.15
  4. Step 4: Simplify right side
    3,218.99x = 8,283,199.62
  5. Step 5: Solve for x
    x = 8,283,199.62/3,218.99
  6. Step 6: Final answer
    x = 2,573.23

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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.