Home / 3,972.45-5,962.58-3,318.54

Finding the Fourth Proportional to 3,972.45, 5,962.58 and 3,318.54

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Solution

The fourth proportional to 3,972.45, 5,962.58 and 3,318.54 is: 4,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.45 : 5,962.58 = 3,318.54 : x
  2. Step 2: Convert to fraction form
    3,972.45/5,962.58 = 3,318.54/x
  3. Step 3: Cross multiply
    3,972.45x = 5,962.58 × 3,318.54
  4. Step 4: Simplify right side
    3,972.45x = 19,787,033.73
  5. Step 5: Solve for x
    x = 19,787,033.73/3,972.45
  6. Step 6: Final answer
    x = 4,981.06

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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.