Home / 3,578.23-4,937.79-2,006.47

Finding the Fourth Proportional to 3,578.23, 4,937.79 and 2,006.47

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Solution

The fourth proportional to 3,578.23, 4,937.79 and 2,006.47 is: 2,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.23 : 4,937.79 = 2,006.47 : x
  2. Step 2: Convert to fraction form
    3,578.23/4,937.79 = 2,006.47/x
  3. Step 3: Cross multiply
    3,578.23x = 4,937.79 × 2,006.47
  4. Step 4: Simplify right side
    3,578.23x = 9,907,527.50
  5. Step 5: Solve for x
    x = 9,907,527.50/3,578.23
  6. Step 6: Final answer
    x = 2,768.83

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1.5x scale

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.