Home / 3,579.35-4,939.56-2,320.91

Finding the Fourth Proportional to 3,579.35, 4,939.56 and 2,320.91

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Solution

The fourth proportional to 3,579.35, 4,939.56 and 2,320.91 is: 3,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.35 : 4,939.56 = 2,320.91 : x
  2. Step 2: Convert to fraction form
    3,579.35/4,939.56 = 2,320.91/x
  3. Step 3: Cross multiply
    3,579.35x = 4,939.56 × 2,320.91
  4. Step 4: Simplify right side
    3,579.35x = 11,464,274.20
  5. Step 5: Solve for x
    x = 11,464,274.20/3,579.35
  6. Step 6: Final answer
    x = 3,202.89

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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.