Home / 3,321.55-4,583.74-1,995.28

Finding the Fourth Proportional to 3,321.55, 4,583.74 and 1,995.28

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Solution

The fourth proportional to 3,321.55, 4,583.74 and 1,995.28 is: 2,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.55 : 4,583.74 = 1,995.28 : x
  2. Step 2: Convert to fraction form
    3,321.55/4,583.74 = 1,995.28/x
  3. Step 3: Cross multiply
    3,321.55x = 4,583.74 × 1,995.28
  4. Step 4: Simplify right side
    3,321.55x = 9,145,828.30
  5. Step 5: Solve for x
    x = 9,145,828.30/3,321.55
  6. Step 6: Final answer
    x = 2,753.48

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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.