Home / 4,185.72-5,775.30-2,694.12

Finding the Fourth Proportional to 4,185.72, 5,775.30 and 2,694.12

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Solution

The fourth proportional to 4,185.72, 5,775.30 and 2,694.12 is: 3,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.72 : 5,775.30 = 2,694.12 : x
  2. Step 2: Convert to fraction form
    4,185.72/5,775.30 = 2,694.12/x
  3. Step 3: Cross multiply
    4,185.72x = 5,775.30 × 2,694.12
  4. Step 4: Simplify right side
    4,185.72x = 15,559,351.24
  5. Step 5: Solve for x
    x = 15,559,351.24/4,185.72
  6. Step 6: Final answer
    x = 3,717.25

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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.