Home / 3,288.36-4,538.82-1,891.32

Finding the Fourth Proportional to 3,288.36, 4,538.82 and 1,891.32

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Solution

The fourth proportional to 3,288.36, 4,538.82 and 1,891.32 is: 2,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.36 : 4,538.82 = 1,891.32 : x
  2. Step 2: Convert to fraction form
    3,288.36/4,538.82 = 1,891.32/x
  3. Step 3: Cross multiply
    3,288.36x = 4,538.82 × 1,891.32
  4. Step 4: Simplify right side
    3,288.36x = 8,584,361.04
  5. Step 5: Solve for x
    x = 8,584,361.04/3,288.36
  6. Step 6: Final answer
    x = 2,610.53

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1.5x scale

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.