Home / 3,955.20-5,920.04-3,166.06

Finding the Fourth Proportional to 3,955.20, 5,920.04 and 3,166.06

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Solution

The fourth proportional to 3,955.20, 5,920.04 and 3,166.06 is: 4,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.20 : 5,920.04 = 3,166.06 : x
  2. Step 2: Convert to fraction form
    3,955.20/5,920.04 = 3,166.06/x
  3. Step 3: Cross multiply
    3,955.20x = 5,920.04 × 3,166.06
  4. Step 4: Simplify right side
    3,955.20x = 18,743,201.84
  5. Step 5: Solve for x
    x = 18,743,201.84/3,955.20
  6. Step 6: Final answer
    x = 4,738.88

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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.