Home / 3,525.80-5,288.94-1,185.62

Finding the Fourth Proportional to 3,525.80, 5,288.94 and 1,185.62

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Solution

The fourth proportional to 3,525.80, 5,288.94 and 1,185.62 is: 1,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.80 : 5,288.94 = 1,185.62 : x
  2. Step 2: Convert to fraction form
    3,525.80/5,288.94 = 1,185.62/x
  3. Step 3: Cross multiply
    3,525.80x = 5,288.94 × 1,185.62
  4. Step 4: Simplify right side
    3,525.80x = 6,270,673.04
  5. Step 5: Solve for x
    x = 6,270,673.04/3,525.80
  6. Step 6: Final answer
    x = 1,778.51

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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.