Home / 3,234.10-4,847.55-1,384.90

Finding the Fourth Proportional to 3,234.10, 4,847.55 and 1,384.90

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Solution

The fourth proportional to 3,234.10, 4,847.55 and 1,384.90 is: 2,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.10 : 4,847.55 = 1,384.90 : x
  2. Step 2: Convert to fraction form
    3,234.10/4,847.55 = 1,384.90/x
  3. Step 3: Cross multiply
    3,234.10x = 4,847.55 × 1,384.90
  4. Step 4: Simplify right side
    3,234.10x = 6,713,372.00
  5. Step 5: Solve for x
    x = 6,713,372.00/3,234.10
  6. Step 6: Final answer
    x = 2,075.81

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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.