Home / 3,676.11-5,071.59-2,103.36

Finding the Fourth Proportional to 3,676.11, 5,071.59 and 2,103.36

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Solution

The fourth proportional to 3,676.11, 5,071.59 and 2,103.36 is: 2,901.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.11 : 5,071.59 = 2,103.36 : x
  2. Step 2: Convert to fraction form
    3,676.11/5,071.59 = 2,103.36/x
  3. Step 3: Cross multiply
    3,676.11x = 5,071.59 × 2,103.36
  4. Step 4: Simplify right side
    3,676.11x = 10,667,379.54
  5. Step 5: Solve for x
    x = 10,667,379.54/3,676.11
  6. Step 6: Final answer
    x = 2,901.81

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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.