Home / 3,393.28-5,086.48-1,929.41

Finding the Fourth Proportional to 3,393.28, 5,086.48 and 1,929.41

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Solution

The fourth proportional to 3,393.28, 5,086.48 and 1,929.41 is: 2,892.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.28 : 5,086.48 = 1,929.41 : x
  2. Step 2: Convert to fraction form
    3,393.28/5,086.48 = 1,929.41/x
  3. Step 3: Cross multiply
    3,393.28x = 5,086.48 × 1,929.41
  4. Step 4: Simplify right side
    3,393.28x = 9,813,905.38
  5. Step 5: Solve for x
    x = 9,813,905.38/3,393.28
  6. Step 6: Final answer
    x = 2,892.16

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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.