Home / 2,408.80-3,299.99-2,318.85

Finding the Fourth Proportional to 2,408.80, 3,299.99 and 2,318.85

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Solution

The fourth proportional to 2,408.80, 3,299.99 and 2,318.85 is: 3,176.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.80 : 3,299.99 = 2,318.85 : x
  2. Step 2: Convert to fraction form
    2,408.80/3,299.99 = 2,318.85/x
  3. Step 3: Cross multiply
    2,408.80x = 3,299.99 × 2,318.85
  4. Step 4: Simplify right side
    2,408.80x = 7,652,181.81
  5. Step 5: Solve for x
    x = 7,652,181.81/2,408.80
  6. Step 6: Final answer
    x = 3,176.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.