Home / 3,269.40-4,904.26-1,078.32

Finding the Fourth Proportional to 3,269.40, 4,904.26 and 1,078.32

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Solution

The fourth proportional to 3,269.40, 4,904.26 and 1,078.32 is: 1,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.40 : 4,904.26 = 1,078.32 : x
  2. Step 2: Convert to fraction form
    3,269.40/4,904.26 = 1,078.32/x
  3. Step 3: Cross multiply
    3,269.40x = 4,904.26 × 1,078.32
  4. Step 4: Simplify right side
    3,269.40x = 5,288,361.64
  5. Step 5: Solve for x
    x = 5,288,361.64/3,269.40
  6. Step 6: Final answer
    x = 1,617.53

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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.