Home / 2,934.69-4,049.86-1,608.39

Finding the Fourth Proportional to 2,934.69, 4,049.86 and 1,608.39

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Solution

The fourth proportional to 2,934.69, 4,049.86 and 1,608.39 is: 2,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.69 : 4,049.86 = 1,608.39 : x
  2. Step 2: Convert to fraction form
    2,934.69/4,049.86 = 1,608.39/x
  3. Step 3: Cross multiply
    2,934.69x = 4,049.86 × 1,608.39
  4. Step 4: Simplify right side
    2,934.69x = 6,513,754.33
  5. Step 5: Solve for x
    x = 6,513,754.33/2,934.69
  6. Step 6: Final answer
    x = 2,219.57

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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.