Home / 3,757.50-5,185.35-2,186.64

Finding the Fourth Proportional to 3,757.50, 5,185.35 and 2,186.64

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Solution

The fourth proportional to 3,757.50, 5,185.35 and 2,186.64 is: 3,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.50 : 5,185.35 = 2,186.64 : x
  2. Step 2: Convert to fraction form
    3,757.50/5,185.35 = 2,186.64/x
  3. Step 3: Cross multiply
    3,757.50x = 5,185.35 × 2,186.64
  4. Step 4: Simplify right side
    3,757.50x = 11,338,493.72
  5. Step 5: Solve for x
    x = 11,338,493.72/3,757.50
  6. Step 6: Final answer
    x = 3,017.56

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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.