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Finding the Fourth Proportional to 1,850.88, 2,773.92 and 1,385.00

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Solution

The fourth proportional to 1,850.88, 2,773.92 and 1,385.00 is: 2,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.88 : 2,773.92 = 1,385.00 : x
  2. Step 2: Convert to fraction form
    1,850.88/2,773.92 = 1,385.00/x
  3. Step 3: Cross multiply
    1,850.88x = 2,773.92 × 1,385.00
  4. Step 4: Simplify right side
    1,850.88x = 3,841,877.03
  5. Step 5: Solve for x
    x = 3,841,877.03/1,850.88
  6. Step 6: Final answer
    x = 2,075.71

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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.