Home / 3,179.28-4,769.96-1,536.02

Finding the Fourth Proportional to 3,179.28, 4,769.96 and 1,536.02

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Solution

The fourth proportional to 3,179.28, 4,769.96 and 1,536.02 is: 2,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.28 : 4,769.96 = 1,536.02 : x
  2. Step 2: Convert to fraction form
    3,179.28/4,769.96 = 1,536.02/x
  3. Step 3: Cross multiply
    3,179.28x = 4,769.96 × 1,536.02
  4. Step 4: Simplify right side
    3,179.28x = 7,326,722.43
  5. Step 5: Solve for x
    x = 7,326,722.43/3,179.28
  6. Step 6: Final answer
    x = 2,304.52

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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.