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Finding the Fourth Proportional to 1,677.70, 2,517.77 and 582.99

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Solution

The fourth proportional to 1,677.70, 2,517.77 and 582.99 is: 874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.70 : 2,517.77 = 582.99 : x
  2. Step 2: Convert to fraction form
    1,677.70/2,517.77 = 582.99/x
  3. Step 3: Cross multiply
    1,677.70x = 2,517.77 × 582.99
  4. Step 4: Simplify right side
    1,677.70x = 1,467,834.73
  5. Step 5: Solve for x
    x = 1,467,834.73/1,677.70
  6. Step 6: Final answer
    x = 874.91

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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.