Home / 3,102.05-4,653.77-1,021.97

Finding the Fourth Proportional to 3,102.05, 4,653.77 and 1,021.97

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Solution

The fourth proportional to 3,102.05, 4,653.77 and 1,021.97 is: 1,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.05 : 4,653.77 = 1,021.97 : x
  2. Step 2: Convert to fraction form
    3,102.05/4,653.77 = 1,021.97/x
  3. Step 3: Cross multiply
    3,102.05x = 4,653.77 × 1,021.97
  4. Step 4: Simplify right side
    3,102.05x = 4,756,019.85
  5. Step 5: Solve for x
    x = 4,756,019.85/3,102.05
  6. Step 6: Final answer
    x = 1,533.18

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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.