Home / 3,626.68-5,436.87-2,162.75

Finding the Fourth Proportional to 3,626.68, 5,436.87 and 2,162.75

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Solution

The fourth proportional to 3,626.68, 5,436.87 and 2,162.75 is: 3,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.68 : 5,436.87 = 2,162.75 : x
  2. Step 2: Convert to fraction form
    3,626.68/5,436.87 = 2,162.75/x
  3. Step 3: Cross multiply
    3,626.68x = 5,436.87 × 2,162.75
  4. Step 4: Simplify right side
    3,626.68x = 11,758,590.59
  5. Step 5: Solve for x
    x = 11,758,590.59/3,626.68
  6. Step 6: Final answer
    x = 3,242.25

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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.