Home / 3,651.75-5,474.89-1,185.10

Finding the Fourth Proportional to 3,651.75, 5,474.89 and 1,185.10

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Solution

The fourth proportional to 3,651.75, 5,474.89 and 1,185.10 is: 1,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.75 : 5,474.89 = 1,185.10 : x
  2. Step 2: Convert to fraction form
    3,651.75/5,474.89 = 1,185.10/x
  3. Step 3: Cross multiply
    3,651.75x = 5,474.89 × 1,185.10
  4. Step 4: Simplify right side
    3,651.75x = 6,488,279.93
  5. Step 5: Solve for x
    x = 6,488,279.93/3,651.75
  6. Step 6: Final answer
    x = 1,776.76

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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.