Home / 2,234.10-3,349.50-1,356.80

Finding the Fourth Proportional to 2,234.10, 3,349.50 and 1,356.80

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Solution

The fourth proportional to 2,234.10, 3,349.50 and 1,356.80 is: 2,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.10 : 3,349.50 = 1,356.80 : x
  2. Step 2: Convert to fraction form
    2,234.10/3,349.50 = 1,356.80/x
  3. Step 3: Cross multiply
    2,234.10x = 3,349.50 × 1,356.80
  4. Step 4: Simplify right side
    2,234.10x = 4,544,601.60
  5. Step 5: Solve for x
    x = 4,544,601.60/2,234.10
  6. Step 6: Final answer
    x = 2,034.20

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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.