Home / 3,006.54-4,149.14-1,680.36

Finding the Fourth Proportional to 3,006.54, 4,149.14 and 1,680.36

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Solution

The fourth proportional to 3,006.54, 4,149.14 and 1,680.36 is: 2,318.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.54 : 4,149.14 = 1,680.36 : x
  2. Step 2: Convert to fraction form
    3,006.54/4,149.14 = 1,680.36/x
  3. Step 3: Cross multiply
    3,006.54x = 4,149.14 × 1,680.36
  4. Step 4: Simplify right side
    3,006.54x = 6,972,040.49
  5. Step 5: Solve for x
    x = 6,972,040.49/3,006.54
  6. Step 6: Final answer
    x = 2,318.96

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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.