Home / 3,939.72-5,909.58-1,018.04

Finding the Fourth Proportional to 3,939.72, 5,909.58 and 1,018.04

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Solution

The fourth proportional to 3,939.72, 5,909.58 and 1,018.04 is: 1,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.72 : 5,909.58 = 1,018.04 : x
  2. Step 2: Convert to fraction form
    3,939.72/5,909.58 = 1,018.04/x
  3. Step 3: Cross multiply
    3,939.72x = 5,909.58 × 1,018.04
  4. Step 4: Simplify right side
    3,939.72x = 6,016,188.82
  5. Step 5: Solve for x
    x = 6,016,188.82/3,939.72
  6. Step 6: Final answer
    x = 1,527.06

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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.