Home / 3,204.55-4,420.69-2,761.68

Finding the Fourth Proportional to 3,204.55, 4,420.69 and 2,761.68

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Solution

The fourth proportional to 3,204.55, 4,420.69 and 2,761.68 is: 3,809.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.55 : 4,420.69 = 2,761.68 : x
  2. Step 2: Convert to fraction form
    3,204.55/4,420.69 = 2,761.68/x
  3. Step 3: Cross multiply
    3,204.55x = 4,420.69 × 2,761.68
  4. Step 4: Simplify right side
    3,204.55x = 12,208,531.16
  5. Step 5: Solve for x
    x = 12,208,531.16/3,204.55
  6. Step 6: Final answer
    x = 3,809.75

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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.