Home / 3,962.10-5,939.10-2,317.80

Finding the Fourth Proportional to 3,962.10, 5,939.10 and 2,317.80

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Solution

The fourth proportional to 3,962.10, 5,939.10 and 2,317.80 is: 3,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.10 : 5,939.10 = 2,317.80 : x
  2. Step 2: Convert to fraction form
    3,962.10/5,939.10 = 2,317.80/x
  3. Step 3: Cross multiply
    3,962.10x = 5,939.10 × 2,317.80
  4. Step 4: Simplify right side
    3,962.10x = 13,765,645.98
  5. Step 5: Solve for x
    x = 13,765,645.98/3,962.10
  6. Step 6: Final answer
    x = 3,474.33

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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.