Home / 3,992.31-5,989.19-1,651.05

Finding the Fourth Proportional to 3,992.31, 5,989.19 and 1,651.05

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Solution

The fourth proportional to 3,992.31, 5,989.19 and 1,651.05 is: 2,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.31 : 5,989.19 = 1,651.05 : x
  2. Step 2: Convert to fraction form
    3,992.31/5,989.19 = 1,651.05/x
  3. Step 3: Cross multiply
    3,992.31x = 5,989.19 × 1,651.05
  4. Step 4: Simplify right side
    3,992.31x = 9,888,431.75
  5. Step 5: Solve for x
    x = 9,888,431.75/3,992.31
  6. Step 6: Final answer
    x = 2,476.87

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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.