Home / 3,234.50-4,463.40-1,907.90

Finding the Fourth Proportional to 3,234.50, 4,463.40 and 1,907.90

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Solution

The fourth proportional to 3,234.50, 4,463.40 and 1,907.90 is: 2,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.50 : 4,463.40 = 1,907.90 : x
  2. Step 2: Convert to fraction form
    3,234.50/4,463.40 = 1,907.90/x
  3. Step 3: Cross multiply
    3,234.50x = 4,463.40 × 1,907.90
  4. Step 4: Simplify right side
    3,234.50x = 8,515,720.86
  5. Step 5: Solve for x
    x = 8,515,720.86/3,234.50
  6. Step 6: Final answer
    x = 2,632.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.