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Finding the Fourth Proportional to 1,872.96, 2,584.80 and 1,852.80

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Solution

The fourth proportional to 1,872.96, 2,584.80 and 1,852.80 is: 2,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.96 : 2,584.80 = 1,852.80 : x
  2. Step 2: Convert to fraction form
    1,872.96/2,584.80 = 1,852.80/x
  3. Step 3: Cross multiply
    1,872.96x = 2,584.80 × 1,852.80
  4. Step 4: Simplify right side
    1,872.96x = 4,789,117.44
  5. Step 5: Solve for x
    x = 4,789,117.44/1,872.96
  6. Step 6: Final answer
    x = 2,556.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.