Home / 3,414.35-4,712.60-2,171.63

Finding the Fourth Proportional to 3,414.35, 4,712.60 and 2,171.63

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Solution

The fourth proportional to 3,414.35, 4,712.60 and 2,171.63 is: 2,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.35 : 4,712.60 = 2,171.63 : x
  2. Step 2: Convert to fraction form
    3,414.35/4,712.60 = 2,171.63/x
  3. Step 3: Cross multiply
    3,414.35x = 4,712.60 × 2,171.63
  4. Step 4: Simplify right side
    3,414.35x = 10,234,005.40
  5. Step 5: Solve for x
    x = 10,234,005.40/3,414.35
  6. Step 6: Final answer
    x = 2,997.36

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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.