Home / 3,777.69-5,213.33-2,285.88

Finding the Fourth Proportional to 3,777.69, 5,213.33 and 2,285.88

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Solution

The fourth proportional to 3,777.69, 5,213.33 and 2,285.88 is: 3,154.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.69 : 5,213.33 = 2,285.88 : x
  2. Step 2: Convert to fraction form
    3,777.69/5,213.33 = 2,285.88/x
  3. Step 3: Cross multiply
    3,777.69x = 5,213.33 × 2,285.88
  4. Step 4: Simplify right side
    3,777.69x = 11,917,046.78
  5. Step 5: Solve for x
    x = 11,917,046.78/3,777.69
  6. Step 6: Final answer
    x = 3,154.59

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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.