Home / 3,777.64-5,213.15-2,205.43

Finding the Fourth Proportional to 3,777.64, 5,213.15 and 2,205.43

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Solution

The fourth proportional to 3,777.64, 5,213.15 and 2,205.43 is: 3,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.64 : 5,213.15 = 2,205.43 : x
  2. Step 2: Convert to fraction form
    3,777.64/5,213.15 = 2,205.43/x
  3. Step 3: Cross multiply
    3,777.64x = 5,213.15 × 2,205.43
  4. Step 4: Simplify right side
    3,777.64x = 11,497,226.38
  5. Step 5: Solve for x
    x = 11,497,226.38/3,777.64
  6. Step 6: Final answer
    x = 3,043.49

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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.