Home / 3,769.33-5,657.46-1,921.75

Finding the Fourth Proportional to 3,769.33, 5,657.46 and 1,921.75

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Solution

The fourth proportional to 3,769.33, 5,657.46 and 1,921.75 is: 2,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.33 : 5,657.46 = 1,921.75 : x
  2. Step 2: Convert to fraction form
    3,769.33/5,657.46 = 1,921.75/x
  3. Step 3: Cross multiply
    3,769.33x = 5,657.46 × 1,921.75
  4. Step 4: Simplify right side
    3,769.33x = 10,872,223.76
  5. Step 5: Solve for x
    x = 10,872,223.76/3,769.33
  6. Step 6: Final answer
    x = 2,884.39

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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.