Home / 4,198.86-6,298.34-1,277.19

Finding the Fourth Proportional to 4,198.86, 6,298.34 and 1,277.19

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Solution

The fourth proportional to 4,198.86, 6,298.34 and 1,277.19 is: 1,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.86 : 6,298.34 = 1,277.19 : x
  2. Step 2: Convert to fraction form
    4,198.86/6,298.34 = 1,277.19/x
  3. Step 3: Cross multiply
    4,198.86x = 6,298.34 × 1,277.19
  4. Step 4: Simplify right side
    4,198.86x = 8,044,170.48
  5. Step 5: Solve for x
    x = 8,044,170.48/4,198.86
  6. Step 6: Final answer
    x = 1,915.80

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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.