Home / 2,805.45-3,871.54-1,546.55

Finding the Fourth Proportional to 2,805.45, 3,871.54 and 1,546.55

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Solution

The fourth proportional to 2,805.45, 3,871.54 and 1,546.55 is: 2,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.45 : 3,871.54 = 1,546.55 : x
  2. Step 2: Convert to fraction form
    2,805.45/3,871.54 = 1,546.55/x
  3. Step 3: Cross multiply
    2,805.45x = 3,871.54 × 1,546.55
  4. Step 4: Simplify right side
    2,805.45x = 5,987,503.10
  5. Step 5: Solve for x
    x = 5,987,503.10/2,805.45
  6. Step 6: Final answer
    x = 2,134.24

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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.