Home / 3,108.51-4,662.78-1,160.69

Finding the Fourth Proportional to 3,108.51, 4,662.78 and 1,160.69

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Solution

The fourth proportional to 3,108.51, 4,662.78 and 1,160.69 is: 1,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.51 : 4,662.78 = 1,160.69 : x
  2. Step 2: Convert to fraction form
    3,108.51/4,662.78 = 1,160.69/x
  3. Step 3: Cross multiply
    3,108.51x = 4,662.78 × 1,160.69
  4. Step 4: Simplify right side
    3,108.51x = 5,412,042.12
  5. Step 5: Solve for x
    x = 5,412,042.12/3,108.51
  6. Step 6: Final answer
    x = 1,741.04

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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.