Home / 3,360.33-5,037.24-1,279.76

Finding the Fourth Proportional to 3,360.33, 5,037.24 and 1,279.76

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Solution

The fourth proportional to 3,360.33, 5,037.24 and 1,279.76 is: 1,918.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.33 : 5,037.24 = 1,279.76 : x
  2. Step 2: Convert to fraction form
    3,360.33/5,037.24 = 1,279.76/x
  3. Step 3: Cross multiply
    3,360.33x = 5,037.24 × 1,279.76
  4. Step 4: Simplify right side
    3,360.33x = 6,446,433.08
  5. Step 5: Solve for x
    x = 6,446,433.08/3,360.33
  6. Step 6: Final answer
    x = 1,918.39

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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.