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Finding the Fourth Proportional to 1,872.33, 2,808.50 and 1,050.62

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Solution

The fourth proportional to 1,872.33, 2,808.50 and 1,050.62 is: 1,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.33 : 2,808.50 = 1,050.62 : x
  2. Step 2: Convert to fraction form
    1,872.33/2,808.50 = 1,050.62/x
  3. Step 3: Cross multiply
    1,872.33x = 2,808.50 × 1,050.62
  4. Step 4: Simplify right side
    1,872.33x = 2,950,646.97
  5. Step 5: Solve for x
    x = 2,950,646.97/1,872.33
  6. Step 6: Final answer
    x = 1,575.92

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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.