Home / 3,320.54-4,979.69-1,676.03

Finding the Fourth Proportional to 3,320.54, 4,979.69 and 1,676.03

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Solution

The fourth proportional to 3,320.54, 4,979.69 and 1,676.03 is: 2,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.54 : 4,979.69 = 1,676.03 : x
  2. Step 2: Convert to fraction form
    3,320.54/4,979.69 = 1,676.03/x
  3. Step 3: Cross multiply
    3,320.54x = 4,979.69 × 1,676.03
  4. Step 4: Simplify right side
    3,320.54x = 8,346,101.45
  5. Step 5: Solve for x
    x = 8,346,101.45/3,320.54
  6. Step 6: Final answer
    x = 2,513.48

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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.