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Finding the Fourth Proportional to 1,822.71, 2,734.44 and 590.43

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Solution

The fourth proportional to 1,822.71, 2,734.44 and 590.43 is: 885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.71 : 2,734.44 = 590.43 : x
  2. Step 2: Convert to fraction form
    1,822.71/2,734.44 = 590.43/x
  3. Step 3: Cross multiply
    1,822.71x = 2,734.44 × 590.43
  4. Step 4: Simplify right side
    1,822.71x = 1,614,495.41
  5. Step 5: Solve for x
    x = 1,614,495.41/1,822.71
  6. Step 6: Final answer
    x = 885.77

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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.