Home / 4,178.15-6,270.69-2,098.75

Finding the Fourth Proportional to 4,178.15, 6,270.69 and 2,098.75

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Solution

The fourth proportional to 4,178.15, 6,270.69 and 2,098.75 is: 3,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.15 : 6,270.69 = 2,098.75 : x
  2. Step 2: Convert to fraction form
    4,178.15/6,270.69 = 2,098.75/x
  3. Step 3: Cross multiply
    4,178.15x = 6,270.69 × 2,098.75
  4. Step 4: Simplify right side
    4,178.15x = 13,160,631.56
  5. Step 5: Solve for x
    x = 13,160,631.56/4,178.15
  6. Step 6: Final answer
    x = 3,149.87

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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.