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Finding the Fourth Proportional to 3,960.42, 5,940.42 and 1,495.08

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Solution

The fourth proportional to 3,960.42, 5,940.42 and 1,495.08 is: 2,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.42 : 5,940.42 = 1,495.08 : x
  2. Step 2: Convert to fraction form
    3,960.42/5,940.42 = 1,495.08/x
  3. Step 3: Cross multiply
    3,960.42x = 5,940.42 × 1,495.08
  4. Step 4: Simplify right side
    3,960.42x = 8,881,403.13
  5. Step 5: Solve for x
    x = 8,881,403.13/3,960.42
  6. Step 6: Final answer
    x = 2,242.54

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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.