Home / 3,626.82-5,440.23-1,678.50

Finding the Fourth Proportional to 3,626.82, 5,440.23 and 1,678.50

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Solution

The fourth proportional to 3,626.82, 5,440.23 and 1,678.50 is: 2,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.82 : 5,440.23 = 1,678.50 : x
  2. Step 2: Convert to fraction form
    3,626.82/5,440.23 = 1,678.50/x
  3. Step 3: Cross multiply
    3,626.82x = 5,440.23 × 1,678.50
  4. Step 4: Simplify right side
    3,626.82x = 9,131,426.06
  5. Step 5: Solve for x
    x = 9,131,426.06/3,626.82
  6. Step 6: Final answer
    x = 2,517.75

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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.