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Finding the Fourth Proportional to 3,952.03, 5,919.40 and 2,409.79

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Solution

The fourth proportional to 3,952.03, 5,919.40 and 2,409.79 is: 3,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.03 : 5,919.40 = 2,409.79 : x
  2. Step 2: Convert to fraction form
    3,952.03/5,919.40 = 2,409.79/x
  3. Step 3: Cross multiply
    3,952.03x = 5,919.40 × 2,409.79
  4. Step 4: Simplify right side
    3,952.03x = 14,264,510.93
  5. Step 5: Solve for x
    x = 14,264,510.93/3,952.03
  6. Step 6: Final answer
    x = 3,609.41

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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.