Home / 3,108.49-4,663.05-1,028.50

Finding the Fourth Proportional to 3,108.49, 4,663.05 and 1,028.50

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Solution

The fourth proportional to 3,108.49, 4,663.05 and 1,028.50 is: 1,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.49 : 4,663.05 = 1,028.50 : x
  2. Step 2: Convert to fraction form
    3,108.49/4,663.05 = 1,028.50/x
  3. Step 3: Cross multiply
    3,108.49x = 4,663.05 × 1,028.50
  4. Step 4: Simplify right side
    3,108.49x = 4,795,946.93
  5. Step 5: Solve for x
    x = 4,795,946.93/3,108.49
  6. Step 6: Final answer
    x = 1,542.85

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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.