Home / 3,778.48-5,214.14-2,184.87

Finding the Fourth Proportional to 3,778.48, 5,214.14 and 2,184.87

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Solution

The fourth proportional to 3,778.48, 5,214.14 and 2,184.87 is: 3,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.48 : 5,214.14 = 2,184.87 : x
  2. Step 2: Convert to fraction form
    3,778.48/5,214.14 = 2,184.87/x
  3. Step 3: Cross multiply
    3,778.48x = 5,214.14 × 2,184.87
  4. Step 4: Simplify right side
    3,778.48x = 11,392,234.88
  5. Step 5: Solve for x
    x = 11,392,234.88/3,778.48
  6. Step 6: Final answer
    x = 3,015.03

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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.