Home / 3,749.44-5,175.36-2,177.92

Finding the Fourth Proportional to 3,749.44, 5,175.36 and 2,177.92

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Solution

The fourth proportional to 3,749.44, 5,175.36 and 2,177.92 is: 3,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.44 : 5,175.36 = 2,177.92 : x
  2. Step 2: Convert to fraction form
    3,749.44/5,175.36 = 2,177.92/x
  3. Step 3: Cross multiply
    3,749.44x = 5,175.36 × 2,177.92
  4. Step 4: Simplify right side
    3,749.44x = 11,271,520.05
  5. Step 5: Solve for x
    x = 11,271,520.05/3,749.44
  6. Step 6: Final answer
    x = 3,006.19

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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.