Home / 1,821.09-2,731.68-588.63

Finding the Fourth Proportional to 1,821.09, 2,731.68 and 588.63

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Solution

The fourth proportional to 1,821.09, 2,731.68 and 588.63 is: 882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821.09 : 2,731.68 = 588.63 : x
  2. Step 2: Convert to fraction form
    1,821.09/2,731.68 = 588.63/x
  3. Step 3: Cross multiply
    1,821.09x = 2,731.68 × 588.63
  4. Step 4: Simplify right side
    1,821.09x = 1,607,948.80
  5. Step 5: Solve for x
    x = 1,607,948.80/1,821.09
  6. Step 6: Final answer
    x = 882.96

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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.