Home / 3,749.38-5,174.22-2,177.58

Finding the Fourth Proportional to 3,749.38, 5,174.22 and 2,177.58

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Solution

The fourth proportional to 3,749.38, 5,174.22 and 2,177.58 is: 3,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.38 : 5,174.22 = 2,177.58 : x
  2. Step 2: Convert to fraction form
    3,749.38/5,174.22 = 2,177.58/x
  3. Step 3: Cross multiply
    3,749.38x = 5,174.22 × 2,177.58
  4. Step 4: Simplify right side
    3,749.38x = 11,267,277.99
  5. Step 5: Solve for x
    x = 11,267,277.99/3,749.38
  6. Step 6: Final answer
    x = 3,005.10

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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.