Home / 3,845.64-5,306.79-2,273.43

Finding the Fourth Proportional to 3,845.64, 5,306.79 and 2,273.43

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Solution

The fourth proportional to 3,845.64, 5,306.79 and 2,273.43 is: 3,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.64 : 5,306.79 = 2,273.43 : x
  2. Step 2: Convert to fraction form
    3,845.64/5,306.79 = 2,273.43/x
  3. Step 3: Cross multiply
    3,845.64x = 5,306.79 × 2,273.43
  4. Step 4: Simplify right side
    3,845.64x = 12,064,615.59
  5. Step 5: Solve for x
    x = 12,064,615.59/3,845.64
  6. Step 6: Final answer
    x = 3,137.22

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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.