Home / 3,414.72-5,118.30-1,334.34

Finding the Fourth Proportional to 3,414.72, 5,118.30 and 1,334.34

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Solution

The fourth proportional to 3,414.72, 5,118.30 and 1,334.34 is: 2,000.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.72 : 5,118.30 = 1,334.34 : x
  2. Step 2: Convert to fraction form
    3,414.72/5,118.30 = 1,334.34/x
  3. Step 3: Cross multiply
    3,414.72x = 5,118.30 × 1,334.34
  4. Step 4: Simplify right side
    3,414.72x = 6,829,552.42
  5. Step 5: Solve for x
    x = 6,829,552.42/3,414.72
  6. Step 6: Final answer
    x = 2,000.03

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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.