Home / 3,579.39-4,938.35-2,321.42

Finding the Fourth Proportional to 3,579.39, 4,938.35 and 2,321.42

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Solution

The fourth proportional to 3,579.39, 4,938.35 and 2,321.42 is: 3,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.39 : 4,938.35 = 2,321.42 : x
  2. Step 2: Convert to fraction form
    3,579.39/4,938.35 = 2,321.42/x
  3. Step 3: Cross multiply
    3,579.39x = 4,938.35 × 2,321.42
  4. Step 4: Simplify right side
    3,579.39x = 11,463,948.16
  5. Step 5: Solve for x
    x = 11,463,948.16/3,579.39
  6. Step 6: Final answer
    x = 3,202.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.