Home / 3,265.61-4,507.69-1,939.31

Finding the Fourth Proportional to 3,265.61, 4,507.69 and 1,939.31

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Solution

The fourth proportional to 3,265.61, 4,507.69 and 1,939.31 is: 2,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.61 : 4,507.69 = 1,939.31 : x
  2. Step 2: Convert to fraction form
    3,265.61/4,507.69 = 1,939.31/x
  3. Step 3: Cross multiply
    3,265.61x = 4,507.69 × 1,939.31
  4. Step 4: Simplify right side
    3,265.61x = 8,741,801.48
  5. Step 5: Solve for x
    x = 8,741,801.48/3,265.61
  6. Step 6: Final answer
    x = 2,676.93

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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.