Home / 3,917.41-5,408.55-2,592.90

Finding the Fourth Proportional to 3,917.41, 5,408.55 and 2,592.90

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Solution

The fourth proportional to 3,917.41, 5,408.55 and 2,592.90 is: 3,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.41 : 5,408.55 = 2,592.90 : x
  2. Step 2: Convert to fraction form
    3,917.41/5,408.55 = 2,592.90/x
  3. Step 3: Cross multiply
    3,917.41x = 5,408.55 × 2,592.90
  4. Step 4: Simplify right side
    3,917.41x = 14,023,829.30
  5. Step 5: Solve for x
    x = 14,023,829.30/3,917.41
  6. Step 6: Final answer
    x = 3,579.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.