Home / 3,163.06-4,365.03-1,765.90

Finding the Fourth Proportional to 3,163.06, 4,365.03 and 1,765.90

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Solution

The fourth proportional to 3,163.06, 4,365.03 and 1,765.90 is: 2,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.06 : 4,365.03 = 1,765.90 : x
  2. Step 2: Convert to fraction form
    3,163.06/4,365.03 = 1,765.90/x
  3. Step 3: Cross multiply
    3,163.06x = 4,365.03 × 1,765.90
  4. Step 4: Simplify right side
    3,163.06x = 7,708,206.48
  5. Step 5: Solve for x
    x = 7,708,206.48/3,163.06
  6. Step 6: Final answer
    x = 2,436.95

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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.