Home / 3,321.58-4,583.92-1,995.88

Finding the Fourth Proportional to 3,321.58, 4,583.92 and 1,995.88

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Solution

The fourth proportional to 3,321.58, 4,583.92 and 1,995.88 is: 2,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.58 : 4,583.92 = 1,995.88 : x
  2. Step 2: Convert to fraction form
    3,321.58/4,583.92 = 1,995.88/x
  3. Step 3: Cross multiply
    3,321.58x = 4,583.92 × 1,995.88
  4. Step 4: Simplify right side
    3,321.58x = 9,148,954.25
  5. Step 5: Solve for x
    x = 9,148,954.25/3,321.58
  6. Step 6: Final answer
    x = 2,754.40

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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.