Home / 3,778.48-5,213.55-2,206.27

Finding the Fourth Proportional to 3,778.48, 5,213.55 and 2,206.27

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Solution

The fourth proportional to 3,778.48, 5,213.55 and 2,206.27 is: 3,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.48 : 5,213.55 = 2,206.27 : x
  2. Step 2: Convert to fraction form
    3,778.48/5,213.55 = 2,206.27/x
  3. Step 3: Cross multiply
    3,778.48x = 5,213.55 × 2,206.27
  4. Step 4: Simplify right side
    3,778.48x = 11,502,498.96
  5. Step 5: Solve for x
    x = 11,502,498.96/3,778.48
  6. Step 6: Final answer
    x = 3,044.21

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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.