Home / 3,555.66-5,338.97-3,169.29

Finding the Fourth Proportional to 3,555.66, 5,338.97 and 3,169.29

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Solution

The fourth proportional to 3,555.66, 5,338.97 and 3,169.29 is: 4,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.66 : 5,338.97 = 3,169.29 : x
  2. Step 2: Convert to fraction form
    3,555.66/5,338.97 = 3,169.29/x
  3. Step 3: Cross multiply
    3,555.66x = 5,338.97 × 3,169.29
  4. Step 4: Simplify right side
    3,555.66x = 16,920,728.38
  5. Step 5: Solve for x
    x = 16,920,728.38/3,555.66
  6. Step 6: Final answer
    x = 4,758.82

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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.