Home / 3,960.96-5,937.92-1,362.08

Finding the Fourth Proportional to 3,960.96, 5,937.92 and 1,362.08

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Solution

The fourth proportional to 3,960.96, 5,937.92 and 1,362.08 is: 2,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.96 : 5,937.92 = 1,362.08 : x
  2. Step 2: Convert to fraction form
    3,960.96/5,937.92 = 1,362.08/x
  3. Step 3: Cross multiply
    3,960.96x = 5,937.92 × 1,362.08
  4. Step 4: Simplify right side
    3,960.96x = 8,087,922.07
  5. Step 5: Solve for x
    x = 8,087,922.07/3,960.96
  6. Step 6: Final answer
    x = 2,041.91

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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.