Home / 3,209.42-4,818.08-2,114.71

Finding the Fourth Proportional to 3,209.42, 4,818.08 and 2,114.71

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Solution

The fourth proportional to 3,209.42, 4,818.08 and 2,114.71 is: 3,174.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.42 : 4,818.08 = 2,114.71 : x
  2. Step 2: Convert to fraction form
    3,209.42/4,818.08 = 2,114.71/x
  3. Step 3: Cross multiply
    3,209.42x = 4,818.08 × 2,114.71
  4. Step 4: Simplify right side
    3,209.42x = 10,188,835.20
  5. Step 5: Solve for x
    x = 10,188,835.20/3,209.42
  6. Step 6: Final answer
    x = 3,174.66

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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.