Home / 3,777.72-5,666.68-2,228.62

Finding the Fourth Proportional to 3,777.72, 5,666.68 and 2,228.62

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Solution

The fourth proportional to 3,777.72, 5,666.68 and 2,228.62 is: 3,342.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.72 : 5,666.68 = 2,228.62 : x
  2. Step 2: Convert to fraction form
    3,777.72/5,666.68 = 2,228.62/x
  3. Step 3: Cross multiply
    3,777.72x = 5,666.68 × 2,228.62
  4. Step 4: Simplify right side
    3,777.72x = 12,628,876.38
  5. Step 5: Solve for x
    x = 12,628,876.38/3,777.72
  6. Step 6: Final answer
    x = 3,342.99

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1.5x scale

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.