Home / 3,376.32-5,062.08-1,643.84

Finding the Fourth Proportional to 3,376.32, 5,062.08 and 1,643.84

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Solution

The fourth proportional to 3,376.32, 5,062.08 and 1,643.84 is: 2,464.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.32 : 5,062.08 = 1,643.84 : x
  2. Step 2: Convert to fraction form
    3,376.32/5,062.08 = 1,643.84/x
  3. Step 3: Cross multiply
    3,376.32x = 5,062.08 × 1,643.84
  4. Step 4: Simplify right side
    3,376.32x = 8,321,249.59
  5. Step 5: Solve for x
    x = 8,321,249.59/3,376.32
  6. Step 6: Final answer
    x = 2,464.59

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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.