Home / 3,962.72-5,918.06-3,183.91

Finding the Fourth Proportional to 3,962.72, 5,918.06 and 3,183.91

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Solution

The fourth proportional to 3,962.72, 5,918.06 and 3,183.91 is: 4,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.72 : 5,918.06 = 3,183.91 : x
  2. Step 2: Convert to fraction form
    3,962.72/5,918.06 = 3,183.91/x
  3. Step 3: Cross multiply
    3,962.72x = 5,918.06 × 3,183.91
  4. Step 4: Simplify right side
    3,962.72x = 18,842,563.58
  5. Step 5: Solve for x
    x = 18,842,563.58/3,962.72
  6. Step 6: Final answer
    x = 4,754.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.