Home / 3,960.32-5,933.76-2,418.08

Finding the Fourth Proportional to 3,960.32, 5,933.76 and 2,418.08

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Solution

The fourth proportional to 3,960.32, 5,933.76 and 2,418.08 is: 3,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.32 : 5,933.76 = 2,418.08 : x
  2. Step 2: Convert to fraction form
    3,960.32/5,933.76 = 2,418.08/x
  3. Step 3: Cross multiply
    3,960.32x = 5,933.76 × 2,418.08
  4. Step 4: Simplify right side
    3,960.32x = 14,348,306.38
  5. Step 5: Solve for x
    x = 14,348,306.38/3,960.32
  6. Step 6: Final answer
    x = 3,623.02

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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.