Home / 3,265.45-4,503.21-2,147.33

Finding the Fourth Proportional to 3,265.45, 4,503.21 and 2,147.33

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Solution

The fourth proportional to 3,265.45, 4,503.21 and 2,147.33 is: 2,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.45 : 4,503.21 = 2,147.33 : x
  2. Step 2: Convert to fraction form
    3,265.45/4,503.21 = 2,147.33/x
  3. Step 3: Cross multiply
    3,265.45x = 4,503.21 × 2,147.33
  4. Step 4: Simplify right side
    3,265.45x = 9,669,877.93
  5. Step 5: Solve for x
    x = 9,669,877.93/3,265.45
  6. Step 6: Final answer
    x = 2,961.27

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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.