Home / 3,997.20-5,985.04-2,607.09

Finding the Fourth Proportional to 3,997.20, 5,985.04 and 2,607.09

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Solution

The fourth proportional to 3,997.20, 5,985.04 and 2,607.09 is: 3,903.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.20 : 5,985.04 = 2,607.09 : x
  2. Step 2: Convert to fraction form
    3,997.20/5,985.04 = 2,607.09/x
  3. Step 3: Cross multiply
    3,997.20x = 5,985.04 × 2,607.09
  4. Step 4: Simplify right side
    3,997.20x = 15,603,537.93
  5. Step 5: Solve for x
    x = 15,603,537.93/3,997.20
  6. Step 6: Final answer
    x = 3,903.62

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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.