Home / 3,996.81-5,519.88-3,042.41

Finding the Fourth Proportional to 3,996.81, 5,519.88 and 3,042.41

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Solution

The fourth proportional to 3,996.81, 5,519.88 and 3,042.41 is: 4,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.81 : 5,519.88 = 3,042.41 : x
  2. Step 2: Convert to fraction form
    3,996.81/5,519.88 = 3,042.41/x
  3. Step 3: Cross multiply
    3,996.81x = 5,519.88 × 3,042.41
  4. Step 4: Simplify right side
    3,996.81x = 16,793,710.51
  5. Step 5: Solve for x
    x = 16,793,710.51/3,996.81
  6. Step 6: Final answer
    x = 4,201.78

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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.