Home / 3,961.68-5,938.56-1,362.96

Finding the Fourth Proportional to 3,961.68, 5,938.56 and 1,362.96

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Solution

The fourth proportional to 3,961.68, 5,938.56 and 1,362.96 is: 2,043.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.68 : 5,938.56 = 1,362.96 : x
  2. Step 2: Convert to fraction form
    3,961.68/5,938.56 = 1,362.96/x
  3. Step 3: Cross multiply
    3,961.68x = 5,938.56 × 1,362.96
  4. Step 4: Simplify right side
    3,961.68x = 8,094,019.74
  5. Step 5: Solve for x
    x = 8,094,019.74/3,961.68
  6. Step 6: Final answer
    x = 2,043.08

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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.