Home / 3,392.80-4,682.64-1,996.24

Finding the Fourth Proportional to 3,392.80, 4,682.64 and 1,996.24

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Solution

The fourth proportional to 3,392.80, 4,682.64 and 1,996.24 is: 2,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.80 : 4,682.64 = 1,996.24 : x
  2. Step 2: Convert to fraction form
    3,392.80/4,682.64 = 1,996.24/x
  3. Step 3: Cross multiply
    3,392.80x = 4,682.64 × 1,996.24
  4. Step 4: Simplify right side
    3,392.80x = 9,347,673.27
  5. Step 5: Solve for x
    x = 9,347,673.27/3,392.80
  6. Step 6: Final answer
    x = 2,755.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.