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Finding the Fourth Proportional to 1,146.34, 1,718.57 and 950.73

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Solution

The fourth proportional to 1,146.34, 1,718.57 and 950.73 is: 1,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.34 : 1,718.57 = 950.73 : x
  2. Step 2: Convert to fraction form
    1,146.34/1,718.57 = 950.73/x
  3. Step 3: Cross multiply
    1,146.34x = 1,718.57 × 950.73
  4. Step 4: Simplify right side
    1,146.34x = 1,633,896.06
  5. Step 5: Solve for x
    x = 1,633,896.06/1,146.34
  6. Step 6: Final answer
    x = 1,425.32

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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.