Home / 3,997.21-6,000.14-1,690.33

Finding the Fourth Proportional to 3,997.21, 6,000.14 and 1,690.33

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Solution

The fourth proportional to 3,997.21, 6,000.14 and 1,690.33 is: 2,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.21 : 6,000.14 = 1,690.33 : x
  2. Step 2: Convert to fraction form
    3,997.21/6,000.14 = 1,690.33/x
  3. Step 3: Cross multiply
    3,997.21x = 6,000.14 × 1,690.33
  4. Step 4: Simplify right side
    3,997.21x = 10,142,208.19
  5. Step 5: Solve for x
    x = 10,142,208.19/3,997.21
  6. Step 6: Final answer
    x = 2,537.32

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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.