Home / 1,821.20-2,732.04-588.31

Finding the Fourth Proportional to 1,821.20, 2,732.04 and 588.31

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Solution

The fourth proportional to 1,821.20, 2,732.04 and 588.31 is: 882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.20 : 2,732.04 = 588.31 : x
  2. Step 2: Convert to fraction form
    1,821.20/2,732.04 = 588.31/x
  3. Step 3: Cross multiply
    1,821.20x = 2,732.04 × 588.31
  4. Step 4: Simplify right side
    1,821.20x = 1,607,269.85
  5. Step 5: Solve for x
    x = 1,607,269.85/1,821.20
  6. Step 6: Final answer
    x = 882.54

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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.