Home / 3,626.78-5,436.26-2,376.90

Finding the Fourth Proportional to 3,626.78, 5,436.26 and 2,376.90

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Solution

The fourth proportional to 3,626.78, 5,436.26 and 2,376.90 is: 3,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.78 : 5,436.26 = 2,376.90 : x
  2. Step 2: Convert to fraction form
    3,626.78/5,436.26 = 2,376.90/x
  3. Step 3: Cross multiply
    3,626.78x = 5,436.26 × 2,376.90
  4. Step 4: Simplify right side
    3,626.78x = 12,921,446.39
  5. Step 5: Solve for x
    x = 12,921,446.39/3,626.78
  6. Step 6: Final answer
    x = 3,562.79

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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.