Home / 3,892.56-5,839.18-1,119.46

Finding the Fourth Proportional to 3,892.56, 5,839.18 and 1,119.46

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Solution

The fourth proportional to 3,892.56, 5,839.18 and 1,119.46 is: 1,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.56 : 5,839.18 = 1,119.46 : x
  2. Step 2: Convert to fraction form
    3,892.56/5,839.18 = 1,119.46/x
  3. Step 3: Cross multiply
    3,892.56x = 5,839.18 × 1,119.46
  4. Step 4: Simplify right side
    3,892.56x = 6,536,711.05
  5. Step 5: Solve for x
    x = 6,536,711.05/3,892.56
  6. Step 6: Final answer
    x = 1,679.28

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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.