Home / 3,272-4,515.33-1,945.68

Finding the Fourth Proportional to 3,272, 4,515.33 and 1,945.68

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Solution

The fourth proportional to 3,272, 4,515.33 and 1,945.68 is: 2,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272 : 4,515.33 = 1,945.68 : x
  2. Step 2: Convert to fraction form
    3,272/4,515.33 = 1,945.68/x
  3. Step 3: Cross multiply
    3,272x = 4,515.33 × 1,945.68
  4. Step 4: Simplify right side
    3,272x = 8,785,354.97
  5. Step 5: Solve for x
    x = 8,785,354.97/3,272
  6. Step 6: Final answer
    x = 2,685.01

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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.