Home / 1,549.49-2,324.52-819.87

Finding the Fourth Proportional to 1,549.49, 2,324.52 and 819.87

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Solution

The fourth proportional to 1,549.49, 2,324.52 and 819.87 is: 1,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.49 : 2,324.52 = 819.87 : x
  2. Step 2: Convert to fraction form
    1,549.49/2,324.52 = 819.87/x
  3. Step 3: Cross multiply
    1,549.49x = 2,324.52 × 819.87
  4. Step 4: Simplify right side
    1,549.49x = 1,905,804.21
  5. Step 5: Solve for x
    x = 1,905,804.21/1,549.49
  6. Step 6: Final answer
    x = 1,229.96

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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.