Home / 3,265.70-4,507.25-1,939.86

Finding the Fourth Proportional to 3,265.70, 4,507.25 and 1,939.86

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Solution

The fourth proportional to 3,265.70, 4,507.25 and 1,939.86 is: 2,677.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.70 : 4,507.25 = 1,939.86 : x
  2. Step 2: Convert to fraction form
    3,265.70/4,507.25 = 1,939.86/x
  3. Step 3: Cross multiply
    3,265.70x = 4,507.25 × 1,939.86
  4. Step 4: Simplify right side
    3,265.70x = 8,743,424.29
  5. Step 5: Solve for x
    x = 8,743,424.29/3,265.70
  6. Step 6: Final answer
    x = 2,677.35

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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.