Home / 3,960.22-5,939.79-1,038.28

Finding the Fourth Proportional to 3,960.22, 5,939.79 and 1,038.28

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Solution

The fourth proportional to 3,960.22, 5,939.79 and 1,038.28 is: 1,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.22 : 5,939.79 = 1,038.28 : x
  2. Step 2: Convert to fraction form
    3,960.22/5,939.79 = 1,038.28/x
  3. Step 3: Cross multiply
    3,960.22x = 5,939.79 × 1,038.28
  4. Step 4: Simplify right side
    3,960.22x = 6,167,146.42
  5. Step 5: Solve for x
    x = 6,167,146.42/3,960.22
  6. Step 6: Final answer
    x = 1,557.27

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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.