Home / 4,019.86-6,027.81-1,679.16

Finding the Fourth Proportional to 4,019.86, 6,027.81 and 1,679.16

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Solution

The fourth proportional to 4,019.86, 6,027.81 and 1,679.16 is: 2,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.86 : 6,027.81 = 1,679.16 : x
  2. Step 2: Convert to fraction form
    4,019.86/6,027.81 = 1,679.16/x
  3. Step 3: Cross multiply
    4,019.86x = 6,027.81 × 1,679.16
  4. Step 4: Simplify right side
    4,019.86x = 10,121,657.44
  5. Step 5: Solve for x
    x = 10,121,657.44/4,019.86
  6. Step 6: Final answer
    x = 2,517.91

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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.