Home / 3,778.23-5,213.14-2,285.85

Finding the Fourth Proportional to 3,778.23, 5,213.14 and 2,285.85

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Solution

The fourth proportional to 3,778.23, 5,213.14 and 2,285.85 is: 3,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.23 : 5,213.14 = 2,285.85 : x
  2. Step 2: Convert to fraction form
    3,778.23/5,213.14 = 2,285.85/x
  3. Step 3: Cross multiply
    3,778.23x = 5,213.14 × 2,285.85
  4. Step 4: Simplify right side
    3,778.23x = 11,916,456.07
  5. Step 5: Solve for x
    x = 11,916,456.07/3,778.23
  6. Step 6: Final answer
    x = 3,153.98

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1.5x scale

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.