Home / 2,246.28-3,099.90-1,361.89

Finding the Fourth Proportional to 2,246.28, 3,099.90 and 1,361.89

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Solution

The fourth proportional to 2,246.28, 3,099.90 and 1,361.89 is: 1,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.28 : 3,099.90 = 1,361.89 : x
  2. Step 2: Convert to fraction form
    2,246.28/3,099.90 = 1,361.89/x
  3. Step 3: Cross multiply
    2,246.28x = 3,099.90 × 1,361.89
  4. Step 4: Simplify right side
    2,246.28x = 4,221,722.81
  5. Step 5: Solve for x
    x = 4,221,722.81/2,246.28
  6. Step 6: Final answer
    x = 1,879.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.