Home / 3,757.88-5,185.50-2,185.58

Finding the Fourth Proportional to 3,757.88, 5,185.50 and 2,185.58

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Solution

The fourth proportional to 3,757.88, 5,185.50 and 2,185.58 is: 3,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.88 : 5,185.50 = 2,185.58 : x
  2. Step 2: Convert to fraction form
    3,757.88/5,185.50 = 2,185.58/x
  3. Step 3: Cross multiply
    3,757.88x = 5,185.50 × 2,185.58
  4. Step 4: Simplify right side
    3,757.88x = 11,333,325.09
  5. Step 5: Solve for x
    x = 11,333,325.09/3,757.88
  6. Step 6: Final answer
    x = 3,015.88

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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.