Home / 3,189.09-4,400.94-1,772.74

Finding the Fourth Proportional to 3,189.09, 4,400.94 and 1,772.74

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Solution

The fourth proportional to 3,189.09, 4,400.94 and 1,772.74 is: 2,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.09 : 4,400.94 = 1,772.74 : x
  2. Step 2: Convert to fraction form
    3,189.09/4,400.94 = 1,772.74/x
  3. Step 3: Cross multiply
    3,189.09x = 4,400.94 × 1,772.74
  4. Step 4: Simplify right side
    3,189.09x = 7,801,704.78
  5. Step 5: Solve for x
    x = 7,801,704.78/3,189.09
  6. Step 6: Final answer
    x = 2,446.37

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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.