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Finding the Fourth Proportional to 1,700.87, 2,552.82 and 879.73

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Solution

The fourth proportional to 1,700.87, 2,552.82 and 879.73 is: 1,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.87 : 2,552.82 = 879.73 : x
  2. Step 2: Convert to fraction form
    1,700.87/2,552.82 = 879.73/x
  3. Step 3: Cross multiply
    1,700.87x = 2,552.82 × 879.73
  4. Step 4: Simplify right side
    1,700.87x = 2,245,782.66
  5. Step 5: Solve for x
    x = 2,245,782.66/1,700.87
  6. Step 6: Final answer
    x = 1,320.38

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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.