Home / 3,530.23-5,295.30-1,190.75

Finding the Fourth Proportional to 3,530.23, 5,295.30 and 1,190.75

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Solution

The fourth proportional to 3,530.23, 5,295.30 and 1,190.75 is: 1,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.23 : 5,295.30 = 1,190.75 : x
  2. Step 2: Convert to fraction form
    3,530.23/5,295.30 = 1,190.75/x
  3. Step 3: Cross multiply
    3,530.23x = 5,295.30 × 1,190.75
  4. Step 4: Simplify right side
    3,530.23x = 6,305,378.48
  5. Step 5: Solve for x
    x = 6,305,378.48/3,530.23
  6. Step 6: Final answer
    x = 1,786.11

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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.