Home / 3,825.73-5,271.92-2,761.69

Finding the Fourth Proportional to 3,825.73, 5,271.92 and 2,761.69

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Solution

The fourth proportional to 3,825.73, 5,271.92 and 2,761.69 is: 3,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.73 : 5,271.92 = 2,761.69 : x
  2. Step 2: Convert to fraction form
    3,825.73/5,271.92 = 2,761.69/x
  3. Step 3: Cross multiply
    3,825.73x = 5,271.92 × 2,761.69
  4. Step 4: Simplify right side
    3,825.73x = 14,559,408.74
  5. Step 5: Solve for x
    x = 14,559,408.74/3,825.73
  6. Step 6: Final answer
    x = 3,805.66

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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.