Home / 3,651.39-5,471.94-2,419.65

Finding the Fourth Proportional to 3,651.39, 5,471.94 and 2,419.65

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Solution

The fourth proportional to 3,651.39, 5,471.94 and 2,419.65 is: 3,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.39 : 5,471.94 = 2,419.65 : x
  2. Step 2: Convert to fraction form
    3,651.39/5,471.94 = 2,419.65/x
  3. Step 3: Cross multiply
    3,651.39x = 5,471.94 × 2,419.65
  4. Step 4: Simplify right side
    3,651.39x = 13,240,179.62
  5. Step 5: Solve for x
    x = 13,240,179.62/3,651.39
  6. Step 6: Final answer
    x = 3,626.07

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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.