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Finding the Fourth Proportional to 1,324.03, 1,983.88 and 804.19

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Solution

The fourth proportional to 1,324.03, 1,983.88 and 804.19 is: 1,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.03 : 1,983.88 = 804.19 : x
  2. Step 2: Convert to fraction form
    1,324.03/1,983.88 = 804.19/x
  3. Step 3: Cross multiply
    1,324.03x = 1,983.88 × 804.19
  4. Step 4: Simplify right side
    1,324.03x = 1,595,416.46
  5. Step 5: Solve for x
    x = 1,595,416.46/1,324.03
  6. Step 6: Final answer
    x = 1,204.97

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1.5x scale

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.