Home / 3,555.16-5,338.22-3,168.79

Finding the Fourth Proportional to 3,555.16, 5,338.22 and 3,168.79

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Solution

The fourth proportional to 3,555.16, 5,338.22 and 3,168.79 is: 4,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.16 : 5,338.22 = 3,168.79 : x
  2. Step 2: Convert to fraction form
    3,555.16/5,338.22 = 3,168.79/x
  3. Step 3: Cross multiply
    3,555.16x = 5,338.22 × 3,168.79
  4. Step 4: Simplify right side
    3,555.16x = 16,915,698.15
  5. Step 5: Solve for x
    x = 16,915,698.15/3,555.16
  6. Step 6: Final answer
    x = 4,758.07

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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.