Home / 3,243.38-4,860.96-2,072.92

Finding the Fourth Proportional to 3,243.38, 4,860.96 and 2,072.92

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Solution

The fourth proportional to 3,243.38, 4,860.96 and 2,072.92 is: 3,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.38 : 4,860.96 = 2,072.92 : x
  2. Step 2: Convert to fraction form
    3,243.38/4,860.96 = 2,072.92/x
  3. Step 3: Cross multiply
    3,243.38x = 4,860.96 × 2,072.92
  4. Step 4: Simplify right side
    3,243.38x = 10,076,381.20
  5. Step 5: Solve for x
    x = 10,076,381.20/3,243.38
  6. Step 6: Final answer
    x = 3,106.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.