Home / 3,997.08-5,992.69-1,915.29

Finding the Fourth Proportional to 3,997.08, 5,992.69 and 1,915.29

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Solution

The fourth proportional to 3,997.08, 5,992.69 and 1,915.29 is: 2,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.08 : 5,992.69 = 1,915.29 : x
  2. Step 2: Convert to fraction form
    3,997.08/5,992.69 = 1,915.29/x
  3. Step 3: Cross multiply
    3,997.08x = 5,992.69 × 1,915.29
  4. Step 4: Simplify right side
    3,997.08x = 11,477,739.23
  5. Step 5: Solve for x
    x = 11,477,739.23/3,997.08
  6. Step 6: Final answer
    x = 2,871.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.