Home / 3,690.45-5,535.68-3,530.48

Finding the Fourth Proportional to 3,690.45, 5,535.68 and 3,530.48

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Solution

The fourth proportional to 3,690.45, 5,535.68 and 3,530.48 is: 5,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.45 : 5,535.68 = 3,530.48 : x
  2. Step 2: Convert to fraction form
    3,690.45/5,535.68 = 3,530.48/x
  3. Step 3: Cross multiply
    3,690.45x = 5,535.68 × 3,530.48
  4. Step 4: Simplify right side
    3,690.45x = 19,543,562.20
  5. Step 5: Solve for x
    x = 19,543,562.20/3,690.45
  6. Step 6: Final answer
    x = 5,295.71

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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.