Home / 3,241.89-4,475.13-2,180.28

Finding the Fourth Proportional to 3,241.89, 4,475.13 and 2,180.28

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Solution

The fourth proportional to 3,241.89, 4,475.13 and 2,180.28 is: 3,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.89 : 4,475.13 = 2,180.28 : x
  2. Step 2: Convert to fraction form
    3,241.89/4,475.13 = 2,180.28/x
  3. Step 3: Cross multiply
    3,241.89x = 4,475.13 × 2,180.28
  4. Step 4: Simplify right side
    3,241.89x = 9,757,036.44
  5. Step 5: Solve for x
    x = 9,757,036.44/3,241.89
  6. Step 6: Final answer
    x = 3,009.68

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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.