Home / 3,501.82-5,251.08-1,279.11

Finding the Fourth Proportional to 3,501.82, 5,251.08 and 1,279.11

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Solution

The fourth proportional to 3,501.82, 5,251.08 and 1,279.11 is: 1,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.82 : 5,251.08 = 1,279.11 : x
  2. Step 2: Convert to fraction form
    3,501.82/5,251.08 = 1,279.11/x
  3. Step 3: Cross multiply
    3,501.82x = 5,251.08 × 1,279.11
  4. Step 4: Simplify right side
    3,501.82x = 6,716,708.94
  5. Step 5: Solve for x
    x = 6,716,708.94/3,501.82
  6. Step 6: Final answer
    x = 1,918.06

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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.