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Finding the Fourth Proportional to 2,918.27, 4,375.47 and 1,529.93

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Solution

The fourth proportional to 2,918.27, 4,375.47 and 1,529.93 is: 2,293.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.27 : 4,375.47 = 1,529.93 : x
  2. Step 2: Convert to fraction form
    2,918.27/4,375.47 = 1,529.93/x
  3. Step 3: Cross multiply
    2,918.27x = 4,375.47 × 1,529.93
  4. Step 4: Simplify right side
    2,918.27x = 6,694,162.82
  5. Step 5: Solve for x
    x = 6,694,162.82/2,918.27
  6. Step 6: Final answer
    x = 2,293.88

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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.