Home / 3,272.45-4,516.02-1,780.37

Finding the Fourth Proportional to 3,272.45, 4,516.02 and 1,780.37

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Solution

The fourth proportional to 3,272.45, 4,516.02 and 1,780.37 is: 2,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.45 : 4,516.02 = 1,780.37 : x
  2. Step 2: Convert to fraction form
    3,272.45/4,516.02 = 1,780.37/x
  3. Step 3: Cross multiply
    3,272.45x = 4,516.02 × 1,780.37
  4. Step 4: Simplify right side
    3,272.45x = 8,040,163.95
  5. Step 5: Solve for x
    x = 8,040,163.95/3,272.45
  6. Step 6: Final answer
    x = 2,456.92

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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.