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Finding the Fourth Proportional to 1,850.33, 2,775.06 and 862.52

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Solution

The fourth proportional to 1,850.33, 2,775.06 and 862.52 is: 1,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.33 : 2,775.06 = 862.52 : x
  2. Step 2: Convert to fraction form
    1,850.33/2,775.06 = 862.52/x
  3. Step 3: Cross multiply
    1,850.33x = 2,775.06 × 862.52
  4. Step 4: Simplify right side
    1,850.33x = 2,393,551.69
  5. Step 5: Solve for x
    x = 2,393,551.69/1,850.33
  6. Step 6: Final answer
    x = 1,293.58

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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.