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Finding the Fourth Proportional to 1,817.86, 2,726.83 and 584.90

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Solution

The fourth proportional to 1,817.86, 2,726.83 and 584.90 is: 877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.86 : 2,726.83 = 584.90 : x
  2. Step 2: Convert to fraction form
    1,817.86/2,726.83 = 584.90/x
  3. Step 3: Cross multiply
    1,817.86x = 2,726.83 × 584.90
  4. Step 4: Simplify right side
    1,817.86x = 1,594,922.87
  5. Step 5: Solve for x
    x = 1,594,922.87/1,817.86
  6. Step 6: Final answer
    x = 877.36

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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.