Home / 3,513.09-5,267.03-2,126.09

Finding the Fourth Proportional to 3,513.09, 5,267.03 and 2,126.09

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Solution

The fourth proportional to 3,513.09, 5,267.03 and 2,126.09 is: 3,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.09 : 5,267.03 = 2,126.09 : x
  2. Step 2: Convert to fraction form
    3,513.09/5,267.03 = 2,126.09/x
  3. Step 3: Cross multiply
    3,513.09x = 5,267.03 × 2,126.09
  4. Step 4: Simplify right side
    3,513.09x = 11,198,198.68
  5. Step 5: Solve for x
    x = 11,198,198.68/3,513.09
  6. Step 6: Final answer
    x = 3,187.57

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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.