Home / 3,279.95-4,918.73-1,199.39

Finding the Fourth Proportional to 3,279.95, 4,918.73 and 1,199.39

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Solution

The fourth proportional to 3,279.95, 4,918.73 and 1,199.39 is: 1,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.95 : 4,918.73 = 1,199.39 : x
  2. Step 2: Convert to fraction form
    3,279.95/4,918.73 = 1,199.39/x
  3. Step 3: Cross multiply
    3,279.95x = 4,918.73 × 1,199.39
  4. Step 4: Simplify right side
    3,279.95x = 5,899,490.87
  5. Step 5: Solve for x
    x = 5,899,490.87/3,279.95
  6. Step 6: Final answer
    x = 1,798.66

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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.