Home / 3,163.09-4,365.08-1,765.84

Finding the Fourth Proportional to 3,163.09, 4,365.08 and 1,765.84

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Solution

The fourth proportional to 3,163.09, 4,365.08 and 1,765.84 is: 2,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.09 : 4,365.08 = 1,765.84 : x
  2. Step 2: Convert to fraction form
    3,163.09/4,365.08 = 1,765.84/x
  3. Step 3: Cross multiply
    3,163.09x = 4,365.08 × 1,765.84
  4. Step 4: Simplify right side
    3,163.09x = 7,708,032.87
  5. Step 5: Solve for x
    x = 7,708,032.87/3,163.09
  6. Step 6: Final answer
    x = 2,436.87

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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.