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Finding the Fourth Proportional to 3,954.77, 5,934.48 and 1,489.52

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Solution

The fourth proportional to 3,954.77, 5,934.48 and 1,489.52 is: 2,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.77 : 5,934.48 = 1,489.52 : x
  2. Step 2: Convert to fraction form
    3,954.77/5,934.48 = 1,489.52/x
  3. Step 3: Cross multiply
    3,954.77x = 5,934.48 × 1,489.52
  4. Step 4: Simplify right side
    3,954.77x = 8,839,526.65
  5. Step 5: Solve for x
    x = 8,839,526.65/3,954.77
  6. Step 6: Final answer
    x = 2,235.16

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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.