Home / 3,196.48-4,790.28-1,791.63

Finding the Fourth Proportional to 3,196.48, 4,790.28 and 1,791.63

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Solution

The fourth proportional to 3,196.48, 4,790.28 and 1,791.63 is: 2,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.48 : 4,790.28 = 1,791.63 : x
  2. Step 2: Convert to fraction form
    3,196.48/4,790.28 = 1,791.63/x
  3. Step 3: Cross multiply
    3,196.48x = 4,790.28 × 1,791.63
  4. Step 4: Simplify right side
    3,196.48x = 8,582,409.36
  5. Step 5: Solve for x
    x = 8,582,409.36/3,196.48
  6. Step 6: Final answer
    x = 2,684.96

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1.5x scale

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.