Home / 3,098.35-4,640.54-2,399.45

Finding the Fourth Proportional to 3,098.35, 4,640.54 and 2,399.45

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Solution

The fourth proportional to 3,098.35, 4,640.54 and 2,399.45 is: 3,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.35 : 4,640.54 = 2,399.45 : x
  2. Step 2: Convert to fraction form
    3,098.35/4,640.54 = 2,399.45/x
  3. Step 3: Cross multiply
    3,098.35x = 4,640.54 × 2,399.45
  4. Step 4: Simplify right side
    3,098.35x = 11,134,735.05
  5. Step 5: Solve for x
    x = 11,134,735.05/3,098.35
  6. Step 6: Final answer
    x = 3,593.76

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1.5x scale

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.