Home / 3,098.79-4,648.77-2,553.21

Finding the Fourth Proportional to 3,098.79, 4,648.77 and 2,553.21

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Solution

The fourth proportional to 3,098.79, 4,648.77 and 2,553.21 is: 3,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.79 : 4,648.77 = 2,553.21 : x
  2. Step 2: Convert to fraction form
    3,098.79/4,648.77 = 2,553.21/x
  3. Step 3: Cross multiply
    3,098.79x = 4,648.77 × 2,553.21
  4. Step 4: Simplify right side
    3,098.79x = 11,869,286.05
  5. Step 5: Solve for x
    x = 11,869,286.05/3,098.79
  6. Step 6: Final answer
    x = 3,830.30

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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.