Home / 3,034.82-4,189.47-2,039.69

Finding the Fourth Proportional to 3,034.82, 4,189.47 and 2,039.69

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Solution

The fourth proportional to 3,034.82, 4,189.47 and 2,039.69 is: 2,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.82 : 4,189.47 = 2,039.69 : x
  2. Step 2: Convert to fraction form
    3,034.82/4,189.47 = 2,039.69/x
  3. Step 3: Cross multiply
    3,034.82x = 4,189.47 × 2,039.69
  4. Step 4: Simplify right side
    3,034.82x = 8,545,220.06
  5. Step 5: Solve for x
    x = 8,545,220.06/3,034.82
  6. Step 6: Final answer
    x = 2,815.73

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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.