Home / 3,966.20-5,943.36-3,182.12

Finding the Fourth Proportional to 3,966.20, 5,943.36 and 3,182.12

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Solution

The fourth proportional to 3,966.20, 5,943.36 and 3,182.12 is: 4,768.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.20 : 5,943.36 = 3,182.12 : x
  2. Step 2: Convert to fraction form
    3,966.20/5,943.36 = 3,182.12/x
  3. Step 3: Cross multiply
    3,966.20x = 5,943.36 × 3,182.12
  4. Step 4: Simplify right side
    3,966.20x = 18,912,484.72
  5. Step 5: Solve for x
    x = 18,912,484.72/3,966.20
  6. Step 6: Final answer
    x = 4,768.41

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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.