Home / 3,347.69-4,619.67-2,021.09

Finding the Fourth Proportional to 3,347.69, 4,619.67 and 2,021.09

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Solution

The fourth proportional to 3,347.69, 4,619.67 and 2,021.09 is: 2,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.69 : 4,619.67 = 2,021.09 : x
  2. Step 2: Convert to fraction form
    3,347.69/4,619.67 = 2,021.09/x
  3. Step 3: Cross multiply
    3,347.69x = 4,619.67 × 2,021.09
  4. Step 4: Simplify right side
    3,347.69x = 9,336,768.84
  5. Step 5: Solve for x
    x = 9,336,768.84/3,347.69
  6. Step 6: Final answer
    x = 2,789.02

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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.