Home / 3,020.44-4,530.62-829.17

Finding the Fourth Proportional to 3,020.44, 4,530.62 and 829.17

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Solution

The fourth proportional to 3,020.44, 4,530.62 and 829.17 is: 1,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.44 : 4,530.62 = 829.17 : x
  2. Step 2: Convert to fraction form
    3,020.44/4,530.62 = 829.17/x
  3. Step 3: Cross multiply
    3,020.44x = 4,530.62 × 829.17
  4. Step 4: Simplify right side
    3,020.44x = 3,756,654.19
  5. Step 5: Solve for x
    x = 3,756,654.19/3,020.44
  6. Step 6: Final answer
    x = 1,243.74

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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.