Home / 3,617.10-5,422.45-3,228.30

Finding the Fourth Proportional to 3,617.10, 5,422.45 and 3,228.30

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Solution

The fourth proportional to 3,617.10, 5,422.45 and 3,228.30 is: 4,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.10 : 5,422.45 = 3,228.30 : x
  2. Step 2: Convert to fraction form
    3,617.10/5,422.45 = 3,228.30/x
  3. Step 3: Cross multiply
    3,617.10x = 5,422.45 × 3,228.30
  4. Step 4: Simplify right side
    3,617.10x = 17,505,295.34
  5. Step 5: Solve for x
    x = 17,505,295.34/3,617.10
  6. Step 6: Final answer
    x = 4,839.59

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1.5x scale

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.