Home / 3,945.39-5,921.15-1,482.45

Finding the Fourth Proportional to 3,945.39, 5,921.15 and 1,482.45

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Solution

The fourth proportional to 3,945.39, 5,921.15 and 1,482.45 is: 2,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.39 : 5,921.15 = 1,482.45 : x
  2. Step 2: Convert to fraction form
    3,945.39/5,921.15 = 1,482.45/x
  3. Step 3: Cross multiply
    3,945.39x = 5,921.15 × 1,482.45
  4. Step 4: Simplify right side
    3,945.39x = 8,777,808.82
  5. Step 5: Solve for x
    x = 8,777,808.82/3,945.39
  6. Step 6: Final answer
    x = 2,224.83

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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.