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Finding the Fourth Proportional to 1,817.86, 2,727.22 and 585.29

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Solution

The fourth proportional to 1,817.86, 2,727.22 and 585.29 is: 878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.86 : 2,727.22 = 585.29 : x
  2. Step 2: Convert to fraction form
    1,817.86/2,727.22 = 585.29/x
  3. Step 3: Cross multiply
    1,817.86x = 2,727.22 × 585.29
  4. Step 4: Simplify right side
    1,817.86x = 1,596,200.96
  5. Step 5: Solve for x
    x = 1,596,200.96/1,817.86
  6. Step 6: Final answer
    x = 878.07

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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.