Home / 2,554.68-3,831.96-911.04

Finding the Fourth Proportional to 2,554.68, 3,831.96 and 911.04

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Solution

The fourth proportional to 2,554.68, 3,831.96 and 911.04 is: 1,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.68 : 3,831.96 = 911.04 : x
  2. Step 2: Convert to fraction form
    2,554.68/3,831.96 = 911.04/x
  3. Step 3: Cross multiply
    2,554.68x = 3,831.96 × 911.04
  4. Step 4: Simplify right side
    2,554.68x = 3,491,068.84
  5. Step 5: Solve for x
    x = 3,491,068.84/2,554.68
  6. Step 6: Final answer
    x = 1,366.54

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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.