Home / 3,108.25-4,654.78-2,009.28

Finding the Fourth Proportional to 3,108.25, 4,654.78 and 2,009.28

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Solution

The fourth proportional to 3,108.25, 4,654.78 and 2,009.28 is: 3,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.25 : 4,654.78 = 2,009.28 : x
  2. Step 2: Convert to fraction form
    3,108.25/4,654.78 = 2,009.28/x
  3. Step 3: Cross multiply
    3,108.25x = 4,654.78 × 2,009.28
  4. Step 4: Simplify right side
    3,108.25x = 9,352,751.34
  5. Step 5: Solve for x
    x = 9,352,751.34/3,108.25
  6. Step 6: Final answer
    x = 3,009.01

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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.