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Finding the Fourth Proportional to 2,912.52, 4,357.44 and 1,743.42

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Solution

The fourth proportional to 2,912.52, 4,357.44 and 1,743.42 is: 2,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.52 : 4,357.44 = 1,743.42 : x
  2. Step 2: Convert to fraction form
    2,912.52/4,357.44 = 1,743.42/x
  3. Step 3: Cross multiply
    2,912.52x = 4,357.44 × 1,743.42
  4. Step 4: Simplify right side
    2,912.52x = 7,596,848.04
  5. Step 5: Solve for x
    x = 7,596,848.04/2,912.52
  6. Step 6: Final answer
    x = 2,608.34

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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.