Home / 3,778.08-5,212.48-2,285.42

Finding the Fourth Proportional to 3,778.08, 5,212.48 and 2,285.42

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Solution

The fourth proportional to 3,778.08, 5,212.48 and 2,285.42 is: 3,153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.08 : 5,212.48 = 2,285.42 : x
  2. Step 2: Convert to fraction form
    3,778.08/5,212.48 = 2,285.42/x
  3. Step 3: Cross multiply
    3,778.08x = 5,212.48 × 2,285.42
  4. Step 4: Simplify right side
    3,778.08x = 11,912,706.04
  5. Step 5: Solve for x
    x = 11,912,706.04/3,778.08
  6. Step 6: Final answer
    x = 3,153.11

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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.