Home / 3,960.22-5,939.87-1,038.75

Finding the Fourth Proportional to 3,960.22, 5,939.87 and 1,038.75

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Solution

The fourth proportional to 3,960.22, 5,939.87 and 1,038.75 is: 1,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.22 : 5,939.87 = 1,038.75 : x
  2. Step 2: Convert to fraction form
    3,960.22/5,939.87 = 1,038.75/x
  3. Step 3: Cross multiply
    3,960.22x = 5,939.87 × 1,038.75
  4. Step 4: Simplify right side
    3,960.22x = 6,170,039.96
  5. Step 5: Solve for x
    x = 6,170,039.96/3,960.22
  6. Step 6: Final answer
    x = 1,558.00

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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.