Home / 4,211.76-6,318.40-2,018.96

Finding the Fourth Proportional to 4,211.76, 6,318.40 and 2,018.96

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Solution

The fourth proportional to 4,211.76, 6,318.40 and 2,018.96 is: 3,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.76 : 6,318.40 = 2,018.96 : x
  2. Step 2: Convert to fraction form
    4,211.76/6,318.40 = 2,018.96/x
  3. Step 3: Cross multiply
    4,211.76x = 6,318.40 × 2,018.96
  4. Step 4: Simplify right side
    4,211.76x = 12,756,596.86
  5. Step 5: Solve for x
    x = 12,756,596.86/4,211.76
  6. Step 6: Final answer
    x = 3,028.80

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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.