Home / 3,014.86-4,518.64-1,279.84

Finding the Fourth Proportional to 3,014.86, 4,518.64 and 1,279.84

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Solution

The fourth proportional to 3,014.86, 4,518.64 and 1,279.84 is: 1,918.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.86 : 4,518.64 = 1,279.84 : x
  2. Step 2: Convert to fraction form
    3,014.86/4,518.64 = 1,279.84/x
  3. Step 3: Cross multiply
    3,014.86x = 4,518.64 × 1,279.84
  4. Step 4: Simplify right side
    3,014.86x = 5,783,136.22
  5. Step 5: Solve for x
    x = 5,783,136.22/3,014.86
  6. Step 6: Final answer
    x = 1,918.21

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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.