Home / 3,845.33-5,309.12-2,273.93

Finding the Fourth Proportional to 3,845.33, 5,309.12 and 2,273.93

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Solution

The fourth proportional to 3,845.33, 5,309.12 and 2,273.93 is: 3,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.33 : 5,309.12 = 2,273.93 : x
  2. Step 2: Convert to fraction form
    3,845.33/5,309.12 = 2,273.93/x
  3. Step 3: Cross multiply
    3,845.33x = 5,309.12 × 2,273.93
  4. Step 4: Simplify right side
    3,845.33x = 12,072,567.24
  5. Step 5: Solve for x
    x = 12,072,567.24/3,845.33
  6. Step 6: Final answer
    x = 3,139.54

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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.