Home / 1,483.22-2,046.67-819.96

Finding the Fourth Proportional to 1,483.22, 2,046.67 and 819.96

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Solution

The fourth proportional to 1,483.22, 2,046.67 and 819.96 is: 1,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.22 : 2,046.67 = 819.96 : x
  2. Step 2: Convert to fraction form
    1,483.22/2,046.67 = 819.96/x
  3. Step 3: Cross multiply
    1,483.22x = 2,046.67 × 819.96
  4. Step 4: Simplify right side
    1,483.22x = 1,678,177.81
  5. Step 5: Solve for x
    x = 1,678,177.81/1,483.22
  6. Step 6: Final answer
    x = 1,131.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.