Home / 3,617.33-5,427.68-1,279.10

Finding the Fourth Proportional to 3,617.33, 5,427.68 and 1,279.10

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Solution

The fourth proportional to 3,617.33, 5,427.68 and 1,279.10 is: 1,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.33 : 5,427.68 = 1,279.10 : x
  2. Step 2: Convert to fraction form
    3,617.33/5,427.68 = 1,279.10/x
  3. Step 3: Cross multiply
    3,617.33x = 5,427.68 × 1,279.10
  4. Step 4: Simplify right side
    3,617.33x = 6,942,557.46
  5. Step 5: Solve for x
    x = 6,942,557.46/3,617.33
  6. Step 6: Final answer
    x = 1,919.25

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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.