Home / 3,268.12-4,509.82-1,776.02

Finding the Fourth Proportional to 3,268.12, 4,509.82 and 1,776.02

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Solution

The fourth proportional to 3,268.12, 4,509.82 and 1,776.02 is: 2,450.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.12 : 4,509.82 = 1,776.02 : x
  2. Step 2: Convert to fraction form
    3,268.12/4,509.82 = 1,776.02/x
  3. Step 3: Cross multiply
    3,268.12x = 4,509.82 × 1,776.02
  4. Step 4: Simplify right side
    3,268.12x = 8,009,538.25
  5. Step 5: Solve for x
    x = 8,009,538.25/3,268.12
  6. Step 6: Final answer
    x = 2,450.81

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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.