Home / 3,559.11-5,331.49-2,979.90

Finding the Fourth Proportional to 3,559.11, 5,331.49 and 2,979.90

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Solution

The fourth proportional to 3,559.11, 5,331.49 and 2,979.90 is: 4,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.11 : 5,331.49 = 2,979.90 : x
  2. Step 2: Convert to fraction form
    3,559.11/5,331.49 = 2,979.90/x
  3. Step 3: Cross multiply
    3,559.11x = 5,331.49 × 2,979.90
  4. Step 4: Simplify right side
    3,559.11x = 15,887,292.99
  5. Step 5: Solve for x
    x = 15,887,292.99/3,559.11
  6. Step 6: Final answer
    x = 4,463.84

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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.