Home / 1,954.64-2,933.19-800.39

Finding the Fourth Proportional to 1,954.64, 2,933.19 and 800.39

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Solution

The fourth proportional to 1,954.64, 2,933.19 and 800.39 is: 1,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.64 : 2,933.19 = 800.39 : x
  2. Step 2: Convert to fraction form
    1,954.64/2,933.19 = 800.39/x
  3. Step 3: Cross multiply
    1,954.64x = 2,933.19 × 800.39
  4. Step 4: Simplify right side
    1,954.64x = 2,347,695.94
  5. Step 5: Solve for x
    x = 2,347,695.94/1,954.64
  6. Step 6: Final answer
    x = 1,201.09

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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.