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Finding the Fourth Proportional to 2,960.93, 4,439.93 and 1,728.71

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Solution

The fourth proportional to 2,960.93, 4,439.93 and 1,728.71 is: 2,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.93 : 4,439.93 = 1,728.71 : x
  2. Step 2: Convert to fraction form
    2,960.93/4,439.93 = 1,728.71/x
  3. Step 3: Cross multiply
    2,960.93x = 4,439.93 × 1,728.71
  4. Step 4: Simplify right side
    2,960.93x = 7,675,320.55
  5. Step 5: Solve for x
    x = 7,675,320.55/2,960.93
  6. Step 6: Final answer
    x = 2,592.20

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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.