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Finding the Fourth Proportional to 2,527.13, 3,789.99 and 966.06

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Solution

The fourth proportional to 2,527.13, 3,789.99 and 966.06 is: 1,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,527.13 : 3,789.99 = 966.06 : x
  2. Step 2: Convert to fraction form
    2,527.13/3,789.99 = 966.06/x
  3. Step 3: Cross multiply
    2,527.13x = 3,789.99 × 966.06
  4. Step 4: Simplify right side
    2,527.13x = 3,661,357.74
  5. Step 5: Solve for x
    x = 3,661,357.74/2,527.13
  6. Step 6: Final answer
    x = 1,448.82

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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.