Home / 3,199.66-4,790.63-1,636.30

Finding the Fourth Proportional to 3,199.66, 4,790.63 and 1,636.30

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Solution

The fourth proportional to 3,199.66, 4,790.63 and 1,636.30 is: 2,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.66 : 4,790.63 = 1,636.30 : x
  2. Step 2: Convert to fraction form
    3,199.66/4,790.63 = 1,636.30/x
  3. Step 3: Cross multiply
    3,199.66x = 4,790.63 × 1,636.30
  4. Step 4: Simplify right side
    3,199.66x = 7,838,907.87
  5. Step 5: Solve for x
    x = 7,838,907.87/3,199.66
  6. Step 6: Final answer
    x = 2,449.92

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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.