Home / 3,826.40-5,739.58-1,361.31

Finding the Fourth Proportional to 3,826.40, 5,739.58 and 1,361.31

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Solution

The fourth proportional to 3,826.40, 5,739.58 and 1,361.31 is: 2,041.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.40 : 5,739.58 = 1,361.31 : x
  2. Step 2: Convert to fraction form
    3,826.40/5,739.58 = 1,361.31/x
  3. Step 3: Cross multiply
    3,826.40x = 5,739.58 × 1,361.31
  4. Step 4: Simplify right side
    3,826.40x = 7,813,349.35
  5. Step 5: Solve for x
    x = 7,813,349.35/3,826.40
  6. Step 6: Final answer
    x = 2,041.96

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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.