Home / 3,745.32-5,616.09-2,142.27

Finding the Fourth Proportional to 3,745.32, 5,616.09 and 2,142.27

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Solution

The fourth proportional to 3,745.32, 5,616.09 and 2,142.27 is: 3,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.32 : 5,616.09 = 2,142.27 : x
  2. Step 2: Convert to fraction form
    3,745.32/5,616.09 = 2,142.27/x
  3. Step 3: Cross multiply
    3,745.32x = 5,616.09 × 2,142.27
  4. Step 4: Simplify right side
    3,745.32x = 12,031,181.12
  5. Step 5: Solve for x
    x = 12,031,181.12/3,745.32
  6. Step 6: Final answer
    x = 3,212.32

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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.