Home / 3,579.73-4,938.36-2,320.99

Finding the Fourth Proportional to 3,579.73, 4,938.36 and 2,320.99

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Solution

The fourth proportional to 3,579.73, 4,938.36 and 2,320.99 is: 3,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.73 : 4,938.36 = 2,320.99 : x
  2. Step 2: Convert to fraction form
    3,579.73/4,938.36 = 2,320.99/x
  3. Step 3: Cross multiply
    3,579.73x = 4,938.36 × 2,320.99
  4. Step 4: Simplify right side
    3,579.73x = 11,461,884.18
  5. Step 5: Solve for x
    x = 11,461,884.18/3,579.73
  6. Step 6: Final answer
    x = 3,201.89

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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.