Home / 3,320.30-4,579.27-1,993.07

Finding the Fourth Proportional to 3,320.30, 4,579.27 and 1,993.07

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Solution

The fourth proportional to 3,320.30, 4,579.27 and 1,993.07 is: 2,748.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.30 : 4,579.27 = 1,993.07 : x
  2. Step 2: Convert to fraction form
    3,320.30/4,579.27 = 1,993.07/x
  3. Step 3: Cross multiply
    3,320.30x = 4,579.27 × 1,993.07
  4. Step 4: Simplify right side
    3,320.30x = 9,126,812.12
  5. Step 5: Solve for x
    x = 9,126,812.12/3,320.30
  6. Step 6: Final answer
    x = 2,748.79

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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.