Home / 3,334.38-5,000.96-1,142.78

Finding the Fourth Proportional to 3,334.38, 5,000.96 and 1,142.78

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Solution

The fourth proportional to 3,334.38, 5,000.96 and 1,142.78 is: 1,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.38 : 5,000.96 = 1,142.78 : x
  2. Step 2: Convert to fraction form
    3,334.38/5,000.96 = 1,142.78/x
  3. Step 3: Cross multiply
    3,334.38x = 5,000.96 × 1,142.78
  4. Step 4: Simplify right side
    3,334.38x = 5,714,997.07
  5. Step 5: Solve for x
    x = 5,714,997.07/3,334.38
  6. Step 6: Final answer
    x = 1,713.96

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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.