Home / 2,968.38-4,095.91-1,642.09

Finding the Fourth Proportional to 2,968.38, 4,095.91 and 1,642.09

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Solution

The fourth proportional to 2,968.38, 4,095.91 and 1,642.09 is: 2,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.38 : 4,095.91 = 1,642.09 : x
  2. Step 2: Convert to fraction form
    2,968.38/4,095.91 = 1,642.09/x
  3. Step 3: Cross multiply
    2,968.38x = 4,095.91 × 1,642.09
  4. Step 4: Simplify right side
    2,968.38x = 6,725,852.85
  5. Step 5: Solve for x
    x = 6,725,852.85/2,968.38
  6. Step 6: Final answer
    x = 2,265.83

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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.