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Finding the Fourth Proportional to 1,596.78, 2,392.34 and 1,108.89

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Solution

The fourth proportional to 1,596.78, 2,392.34 and 1,108.89 is: 1,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.78 : 2,392.34 = 1,108.89 : x
  2. Step 2: Convert to fraction form
    1,596.78/2,392.34 = 1,108.89/x
  3. Step 3: Cross multiply
    1,596.78x = 2,392.34 × 1,108.89
  4. Step 4: Simplify right side
    1,596.78x = 2,652,836.36
  5. Step 5: Solve for x
    x = 2,652,836.36/1,596.78
  6. Step 6: Final answer
    x = 1,661.37

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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.