Home / 3,320.99-4,977.13-2,399.61

Finding the Fourth Proportional to 3,320.99, 4,977.13 and 2,399.61

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Solution

The fourth proportional to 3,320.99, 4,977.13 and 2,399.61 is: 3,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.99 : 4,977.13 = 2,399.61 : x
  2. Step 2: Convert to fraction form
    3,320.99/4,977.13 = 2,399.61/x
  3. Step 3: Cross multiply
    3,320.99x = 4,977.13 × 2,399.61
  4. Step 4: Simplify right side
    3,320.99x = 11,943,170.92
  5. Step 5: Solve for x
    x = 11,943,170.92/3,320.99
  6. Step 6: Final answer
    x = 3,596.27

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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.