Home / 3,190.49-4,403.74-2,071.37

Finding the Fourth Proportional to 3,190.49, 4,403.74 and 2,071.37

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Solution

The fourth proportional to 3,190.49, 4,403.74 and 2,071.37 is: 2,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.49 : 4,403.74 = 2,071.37 : x
  2. Step 2: Convert to fraction form
    3,190.49/4,403.74 = 2,071.37/x
  3. Step 3: Cross multiply
    3,190.49x = 4,403.74 × 2,071.37
  4. Step 4: Simplify right side
    3,190.49x = 9,121,747.73
  5. Step 5: Solve for x
    x = 9,121,747.73/3,190.49
  6. Step 6: Final answer
    x = 2,859.05

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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.